If your OBD-II scanner displays P0083, your vehicle’s Engine Control Module (ECM) or Powertrain Control Module (PCM) has detected a higher-than-expected electrical signal in the Bank 2 intake valve control solenoid circuit.
The generic OBD-II definition for P0083 is:
Intake Valve Control Solenoid Circuit High Bank 2
Depending on the vehicle manufacturer or scan tool, the description may appear as:
- Intake Valve Control Solenoid Circuit High Bank 2
- Intake Valve Timing Control Solenoid Circuit High Bank 2
- Intake Camshaft Control Solenoid Circuit High Bank 2
- Intake Oil Control Valve Circuit High Bank 2
- Intake VVT Solenoid Circuit High Bank 2
- Intake Valve Control Solenoid Open or Short to Battery Bank 2
Generic OBD-II code references identify P0083 as the Bank 2 intake valve control solenoid circuit-high code. It follows P0081, the general Bank 2 circuit code, and P0082, the circuit-low code.
The intake valve control solenoid is part of the engine’s variable valve timing system, commonly abbreviated VVT. The PCM uses the solenoid to regulate pressurized engine oil flowing to the Bank 2 intake camshaft actuator or cam phaser.
P0083 is primarily an electrical circuit fault. On documented Hyundai applications, the code may be set when the oil-control-valve circuit is shorted to battery voltage, when the control circuit has a poor connection, or when the oil control valve or PCM fails.
Common causes include:
- Disconnected Bank 2 intake VVT solenoid
- Open solenoid coil
- Broken PCM control wire
- Control circuit shorted to battery voltage
- Corroded or loose connector terminals
- Excessive resistance in the circuit
- Incorrect replacement solenoid
- Failed PCM output driver
Possible symptoms include:
- Check Engine Light
- Rough or unstable idle
- Engine hesitation
- Poor acceleration
- Reduced engine power
- Increased fuel consumption
- Hard starting
- Engine stalling
- Misfires
- Failed emissions inspection
- No noticeable drivability symptoms
The PCM may disable variable intake camshaft timing and hold the Bank 2 camshaft in a default position until the fault is repaired.
For more diagnostic information, visit:
P0083 Quick Facts
| Item | Information |
|---|---|
| OBD-II Code | P0083 |
| Description | Intake Valve Control Solenoid Circuit High Bank 2 |
| Category | Powertrain |
| System | Variable Valve Timing |
| Main Component | Intake Valve Control Solenoid |
| Affected Side | Bank 2 |
| Fault Type | High Circuit Voltage |
| Common Electrical Cause | Open Circuit or Short to Voltage |
| Severity | Moderate |
| Safe to Drive? | Sometimes, for a short distance |
| Typical Repair Cost | $100–700 |
What Does P0083 Mean?
P0083 means the PCM has detected voltage or electrical feedback above its calibrated limit in the Bank 2 intake valve control solenoid circuit.
The affected circuit may include:
- Bank 2 intake valve control solenoid
- Solenoid power-supply wire
- PCM-controlled ground or driver wire
- Electrical connector
- Fuse or engine-control relay
- Engine wiring harness
- PCM output driver
On many vehicles, one solenoid terminal receives ignition or battery voltage. The PCM operates the other terminal by switching it toward ground.
If the PCM commands the solenoid on but the circuit remains near battery voltage, it may determine that current cannot flow because of:
- An open solenoid coil
- An unplugged connector
- A broken control wire
- A high-resistance connection
- A short to battery voltage
- A failed PCM driver
The generic code indicates that the Bank 2 intake-solenoid circuit voltage is above the module’s expected range.
What Is Bank 2?
Bank 2 is the side of the engine that does not contain cylinder number 1.
Bank 2 only exists on engines with more than one cylinder bank, such as:
- V6 engines
- V8 engines
- V10 engines
- V12 engines
- Horizontally opposed engines with two cylinder banks
Inline engines normally have only one bank and therefore should not use a Bank 2 designation for this circuit.
Bank 2 is not automatically:
- The driver side
- The passenger side
- The left side
- The right side
- The rear cylinder head
Its physical location depends on the manufacturer’s cylinder-numbering system.
Use:
- Factory service information
- Cylinder-numbering diagram
- Underhood emissions label
- Vehicle-specific repair manual
to identify Bank 2 correctly.
Replacing the easy-to-reach solenoid and hoping it belongs to Bank 2 is not diagnosis. It is parts ordering with optimism.
What Is an Intake Valve Control Solenoid?
The intake valve control solenoid is an electrically operated oil-control valve used by the variable valve timing system.
Depending on the manufacturer, it may also be called:
- Intake VVT solenoid
- Intake oil control valve
- Intake valve timing control solenoid
- Intake camshaft actuator solenoid
- Camshaft position actuator solenoid
- Variable cam timing solenoid
- VCT solenoid
- CVVT oil control valve
The solenoid controls pressurized engine oil flowing to the intake camshaft actuator.
By adjusting this oil flow, the PCM can advance or retard intake camshaft timing according to:
- Engine speed
- Engine load
- Throttle position
- Coolant temperature
- Oil temperature
- Vehicle speed
- Requested torque
- Emissions strategy
Variable intake camshaft timing can improve:
- Low-RPM torque
- High-RPM power
- Fuel economy
- Idle quality
- Cold-start operation
- Turbocharger response
- Exhaust emissions
P0083 does not automatically mean that the camshaft actuator or timing chain has failed. It means the PCM has detected an electrical problem in the Bank 2 intake-solenoid circuit.
How Variable Valve Timing Works
A typical variable valve timing system includes:
- Engine oil supply
- Oil passages inside the cylinder head
- Intake valve control solenoid
- Intake camshaft actuator or phaser
- Camshaft position sensor
- Crankshaft position sensor
- PCM control strategy
When the PCM requests an intake camshaft adjustment:
- It changes the electrical command sent to the solenoid.
- The solenoid redirects pressurized oil.
- Oil enters one side of the camshaft actuator.
- The actuator rotates the camshaft relative to its timing sprocket.
- The camshaft position sensor reports the new position.
- The PCM compares desired timing with actual timing.
If the PCM cannot electrically control the Bank 2 intake solenoid, it may disable variable valve timing and store P0083.
How the Intake Valve Control Solenoid Circuit Works
Many intake VVT solenoids use two electrical wires:
- Ignition or relay-supplied voltage
- PCM-controlled ground
The PCM may operate the solenoid using pulse-width modulation, or PWM.
Instead of merely switching the solenoid fully on or off, PWM allows the PCM to regulate:
- Solenoid current
- Internal spool position
- Oil flow
- Camshaft actuator movement
The PCM may monitor:
- Circuit voltage
- Current draw
- Coil resistance
- Driver feedback
- Commanded duty cycle
- Actual camshaft position
On certain Hyundai applications, P0083 monitoring is designed to identify a short-to-battery condition in the Bank 2 intake oil-control-valve circuit while the engine is running.
What Does “Circuit High” Mean?
“Circuit high” means the PCM is detecting an electrical voltage or driver-feedback signal above the expected range.
It does not necessarily mean:
- Engine oil pressure is high
- Camshaft timing is over-advanced
- Engine temperature is high
- Intake valve lift is excessive
- Charging-system voltage is too high
Common circuit-high conditions include:
- Disconnected solenoid
- Open solenoid coil
- Broken control wire
- Loose electrical connector
- Control circuit shorted to battery voltage
- Excessive resistance
- PCM driver unable to pull the circuit low
On a typical low-side-controlled circuit, the PCM expects voltage on the control wire to decrease when it grounds the solenoid.
If the circuit remains near battery voltage, the PCM recognizes that the command did not produce the expected electrical response.
P0081 vs P0082 vs P0083
| Code | Description | Typical Meaning |
| P0081 | Intake Valve Control Solenoid Circuit Bank 2 | General circuit malfunction |
| P0082 | Intake Valve Control Solenoid Circuit Low Bank 2 | Circuit voltage below specification |
| P0083 | Intake Valve Control Solenoid Circuit High Bank 2 | Circuit voltage above specification |
The generic OBD-II code list confirms this sequence.
In general:
- P0081 indicates an unspecified electrical fault.
- P0082 commonly points toward a short to ground or shorted coil.
- P0083 commonly points toward an open circuit, disconnected solenoid, or short to voltage.
Manufacturer circuit designs vary, so the correct wiring diagram should always be used.
P0083 vs P0077
| Code | Affected Bank |
| P0077 | Intake Valve Control Solenoid Circuit High Bank 1 |
| P0083 | Intake Valve Control Solenoid Circuit High Bank 2 |
Both codes describe a high electrical condition in an intake valve control solenoid circuit.
The difference is the affected side of the engine.
If both P0077 and P0083 are stored, inspect for a shared problem such as:
- Common power-supply failure
- Shared fuse or relay issue
- Harness damage
- PCM power or ground problem
- Incorrect system voltage
Two solenoids can fail at the same time, but one shared electrical problem is usually more believable.
P0083 vs P0020
P0020 is generally defined as:
“A” Camshaft Position Actuator Circuit Bank 2
P0083 is defined as:
Intake Valve Control Solenoid Circuit High Bank 2
Both codes may involve the same Bank 2 intake oil-control solenoid, depending on manufacturer terminology.
The main distinction is:
- P0020 is a broader intake camshaft actuator-circuit code.
- P0083 specifically identifies a high circuit condition.
Always use the diagnostic chart written for the exact code, vehicle, engine and model year.
Symptoms of P0083
Possible P0083 symptoms include:
- Check Engine Light
- Rough idle
- Unstable idle speed
- Engine hesitation
- Poor throttle response
- Reduced acceleration
- Loss of low-RPM torque
- Reduced high-RPM power
- Increased fuel consumption
- Hard starting
- Extended cranking
- Engine stalling
- Misfires
- Increased exhaust emissions
- Failed emissions inspection
- Reduced-power mode
- No noticeable symptoms
Published P0083 diagnostic references commonly associate the code with rough idle, hesitation, reduced power and possible stalling, although the exact symptoms depend on the engine and the default camshaft position.
Some engines continue running reasonably well with VVT disabled.
Others feel as though half the variable timing system has submitted a resignation letter—which, electrically speaking, it has.
Can P0083 Cause a Rough Idle?
Yes.
Intake camshaft timing affects:
- Cylinder filling
- Intake-air velocity
- Manifold vacuum
- Valve overlap
- Combustion stability
- Internal exhaust-gas recirculation
If the Bank 2 intake camshaft becomes fixed in an unsuitable position, the engine may:
- Idle roughly
- Surge
- Misfire
- Stall
- Start poorly
However, a rough idle can also result from:
- Vacuum leaks
- Ignition faults
- Fuel-delivery problems
- Low compression
- Mechanical timing errors
- Camshaft position sensor failure
Confirm that the P0083 circuit fault is active before blaming every idle problem on the VVT solenoid.
Can P0083 Cause Poor Acceleration?
Yes.
The PCM adjusts intake camshaft timing to improve airflow at different engine speeds and loads.
If the Bank 2 intake camshaft cannot be controlled, the engine may lose:
- Low-speed torque
- Midrange response
- High-RPM power
- Turbocharger response
- Fuel efficiency
The imbalance between Bank 1 and Bank 2 may also make the engine feel uneven or hesitant during acceleration.
Can P0083 Cause Misfires?
P0083 may contribute to misfires if incorrect Bank 2 intake timing affects:
- Cylinder filling
- Valve overlap
- Airflow balance
- Combustion stability
However, P0083 should not automatically be blamed for every misfire.
Check for:
- Ignition-coil faults
- Spark-plug problems
- Fuel-injector faults
- Vacuum leaks
- Low compression
- Mechanical camshaft timing problems
Bank-specific misfires occurring mainly on Bank 2 may strengthen the connection between the symptoms and the VVT fault.
Common Causes of P0083
1. Disconnected Bank 2 Intake VVT Solenoid
A disconnected solenoid is one of the most common causes of a circuit-high fault.
The connector may have been left unplugged during:
- Valve-cover replacement
- Intake manifold removal
- Timing-chain service
- Cylinder-head repair
- Engine replacement
- Oil-leak repair
- Previous VVT diagnosis
An unplugged solenoid prevents current flow and may leave the PCM control circuit near supply voltage.
2. Open Solenoid Coil
The electrical winding inside the solenoid may break.
Possible causes include:
- Age
- Heat
- Engine vibration
- Internal corrosion
- Thermal cycling
- Manufacturing defect
An open coil normally measures:
- Infinite resistance
- Extremely high resistance
- No continuity
The PCM detects that no current flows when the solenoid is commanded and may store P0083.
3. Broken PCM Control Wire
The PCM control wire may break because of:
- Harness tension
- Engine vibration
- Heat exposure
- Incorrect routing
- Rodent damage
- Previous repairs
- Connector strain
The conductor may be broken inside insulation that still looks intact.
A gentle pull test near the connector may reveal a wire that stretches abnormally.
4. Control Circuit Shorted to Battery Voltage
The PCM control wire may contact:
- Solenoid power feed
- Injector power circuit
- Ignition-coil power
- Alternator wiring
- Battery-positive cable
- Incorrect accessory wiring
A documented Hyundai P0083 strategy identifies a short-to-battery condition in the intake oil-control-valve circuit as a primary cause.
A short to battery may also damage the PCM output driver.
5. Loose Solenoid Connector
A connector may appear installed but fail to make reliable contact because of:
- Broken locking tab
- Missing secondary lock
- Connector not fully seated
- Loose terminal
- Incorrect connector body
- Damaged housing
A loose connector may cause P0083 continuously or intermittently.
6. Backed-Out Terminal
A connector terminal may slide backward when the plug is installed.
Inspect for:
- Uneven pin depth
- Broken retaining tang
- Missing secondary lock
- Terminal movement
- Wire pulling away from the connector
An apparently connected plug may still contain an electrically disconnected wire.
7. Corroded Connector Terminals
Corrosion can increase circuit resistance or interrupt current flow.
Inspect for:
- Green corrosion
- White oxidation
- Darkened terminals
- Water
- Oil contamination
- Bent pins
- Spread terminals
- Damaged seals
Because the PCM monitors relatively small electrical changes, even modest terminal corrosion can be enough to store a fault.
8. Oil Inside the Connector
Engine oil may enter the connector through:
- Failed solenoid seal
- Valve-cover leak
- Internal oil migration
- Contaminated harness
Oil can:
- Attract dirt
- Damage connector seals
- Reduce terminal contact
- Wick through the wiring
- Create intermittent resistance
Repair the source of the leak rather than repeatedly cleaning the connector and returning it to the same oil bath.
9. Water Intrusion
Moisture may enter through:
- Damaged connector seal
- Broken connector housing
- Unsealed wiring repair
- Pressure washing
- Coolant leak near the harness
Water may promote:
- Corrosion
- Intermittent open circuits
- Terminal damage
- Signal instability
10. Heat-Damaged Wiring
The intake VVT wiring may run near:
- Cylinder head
- Exhaust manifold
- Turbocharger
- EGR components
- Hot coolant pipes
Heat can make insulation:
- Brittle
- Cracked
- Melted
- Fused to adjacent wires
A melted control wire may open or contact a powered circuit.
11. Chafed Engine Harness
The harness may rub against:
- Valve-cover edge
- Cylinder-head casting
- Intake manifold support
- Engine lifting bracket
- Wiring tray
- Metal retaining clip
Engine movement can turn minor insulation damage into an intermittent open or short-to-voltage condition.
12. Incorrect Previous Wiring Repair
Poor repairs may include:
- Twisted wires covered with tape
- Unsealed butt connectors
- Incorrect wire gauge
- Weak crimp
- Cold solder joint
- Incorrect terminal
- Wiring routed near excessive heat
A wire can show voltage with a high-impedance multimeter while still failing to carry the required current.
13. Incorrectly Wired Replacement Pigtail
A replacement connector may have:
- Power and control wires reversed
- Terminals installed in the wrong cavities
- Weak crimps
- Incorrect wire colors
- Incompatible terminals
Verify the connector pinout with the wiring diagram.
Matching colors is not enough when the replacement pigtail manufacturer—or the previous technician—decided consistency was optional.
14. Failed Intake Valve Control Solenoid
The solenoid may fail electrically or mechanically.
Electrical failures include:
- Open coil
- Excessive resistance
- Broken internal terminal
- Intermittent internal connection
- Short to housing
Mechanical failures include:
- Stuck spool valve
- Sludge accumulation
- Varnish
- Blocked oil screen
- Metal contamination
P0083 points toward the electrical circuit first.
15. Incorrect Replacement Solenoid
An incorrect replacement part may have:
- Wrong coil resistance
- Incompatible connector
- Incorrect oil passages
- Different operating frequency
- Poor internal construction
A new solenoid may still be:
- Incorrect
- Defective
- Counterfeit
- Cataloged for another engine
New packaging is not proof of electrical compatibility.
16. Excessive Circuit Resistance
High resistance may be caused by:
- Corroded splice
- Partially broken wire
- Loose connector
- Heat-damaged terminal
- Weak relay contact
- Poor crimp
A simple continuity test may pass even when the circuit cannot carry enough current.
Use voltage-drop testing under load.
17. Failed Fuse or Engine-Control Relay
Circuit design determines how a missing supply affects the stored code.
Inspect the shared:
- Engine-actuator fuse
- VVT fuse
- PCM relay
- Ignition relay
- Power-distribution splice
If P0077 and P0083 are stored together, a shared power or relay problem should move higher on the diagnostic list.
18. Poor PCM Connector Connection
The PCM connector may have:
- Corrosion
- Water intrusion
- Bent terminal
- Backed-out pin
- Loose locking lever
- Damaged seal
- Weak terminal tension
Follow the manufacturer’s procedure before disconnecting the PCM.
19. PCM Power or Ground Problem
A PCM power or ground issue can interfere with:
- Solenoid control
- Circuit monitoring
- Output-driver operation
- Diagnostic feedback
Inspect:
- Battery voltage
- PCM ignition feed
- PCM constant power
- PCM grounds
- Engine ground straps
- Body grounds
Multiple unrelated actuator codes increase the likelihood of a shared power or ground problem.
20. Low Engine Oil Level
Low oil normally does not create the electrical circuit-high condition directly.
However, the VVT system depends on adequate oil for hydraulic operation.
Low oil can cause:
- Slow camshaft response
- Cam phaser noise
- Solenoid sticking
- Additional timing codes
- Low oil pressure
Always verify the oil level before commanding the VVT system.
21. Dirty or Sludged Engine Oil
Contaminated oil may restrict:
- Solenoid spool movement
- Solenoid filter screen
- Cylinder-head oil passages
- Camshaft actuator movement
Dirty oil is more likely to cause timing-performance codes than P0083, but it may coexist with an electrically failed solenoid.
An oil change cannot reconnect a broken wire, although it may remove one additional reason for the VVT system to behave badly.
22. Incorrect Oil Viscosity
Oil that is too thick or too thin may cause:
- Delayed camshaft response
- Poor cold-start operation
- Low hot-idle oil pressure
- Cam phaser noise
- Timing-performance faults
Use the manufacturer-specified:
- Oil viscosity
- Oil standard
- Oil filter
23. Restricted Solenoid Screen
Some intake VVT solenoids contain a fine oil screen.
It may become restricted by:
- Sludge
- Varnish
- Metal particles
- Gasket debris
- Excessive silicone sealant
A blocked screen usually causes a performance code rather than a circuit-high code, but it should be inspected if camshaft response remains poor after the electrical repair.
24. PCM Software Issue
A software problem may cause the PCM to:
- Misinterpret driver feedback
- Command the solenoid incorrectly
- Store P0083 prematurely
- Remain in failsafe mode
Check for:
- Technical service bulletins
- Calibration updates
- Reprogramming instructions
- Revised diagnostic procedures
Software issues are less common than wiring, connector and solenoid failures.
25. Failed PCM Driver
The internal PCM driver may be unable to pull the Bank 2 intake-solenoid circuit low.
Possible causes include:
- Previous short to battery voltage
- Shorted solenoid
- Excessive current
- Water intrusion
- Internal electronic failure
Only suspect the PCM after confirming:
- Correct solenoid resistance
- Proper power supply
- Control-wire continuity
- No short to voltage
- Connector integrity
- PCM powers and grounds
- Correct software level
Replacing the PCM before checking whether the solenoid is plugged in remains an impressively expensive method of discovering an unplugged connector.
Is P0083 Serious?
P0083 is generally considered a moderate-severity code.
The engine may continue to operate, but Bank 2 intake camshaft adjustment may be:
- Disabled
- Fixed in a default position
- Unavailable under load
- Unable to follow PCM commands
Possible consequences include:
- Reduced engine performance
- Rough idle
- Poor fuel economy
- Increased emissions
- Hard starting
- Engine stalling
- Misfires
- Failed emissions inspection
P0083 becomes more serious if:
- Oil-pressure warning light is illuminated
- Engine oil is extremely low
- Engine rattles or knocks
- Vehicle stalls
- Misfires are severe
- Wiring is overheating
- Multiple timing-correlation codes are stored
- The engine enters reduced-power mode
Can You Drive With P0083?
You may be able to drive a short distance if:
- Engine oil level is correct
- Oil-pressure warning light is off
- Engine runs reasonably smoothly
- No severe mechanical noise is present
- Acceleration remains safe
- Wiring is not overheating
Avoid continued driving if:
- Oil-pressure warning light is illuminated
- Engine rattles
- Vehicle stalls repeatedly
- Power is severely reduced
- Wiring smells burned
- Bank 2 misfires are severe
- Timing-correlation codes are present
- Engine will not start reliably
P0083 usually does not cause immediate internal engine damage by itself.
Continuing to drive with low oil pressure, severe camshaft noise or major misfires is a separate—and considerably more expensive—decision.
How to Diagnose P0083
Step 1: Scan All Stored Codes
Check for:
- P0081
- P0082
- P0083
- P0075
- P0076
- P0077
- P0020
- P0021
- P0022
- P0018
- Camshaft position sensor codes
- Crankshaft position sensor codes
- Misfire codes
- Oil-pressure codes
- System-voltage codes
Record:
- Freeze-frame data
- Pending codes
- Permanent codes
- Engine RPM
- Battery voltage
- Oil temperature
- Intake VVT command
- Desired Bank 2 camshaft angle
- Actual Bank 2 camshaft angle
Do not clear the codes before recording the diagnostic data.
Step 2: Confirm the Correct Definition
Verify that the scan tool identifies P0083 as:
Intake Valve Control Solenoid Circuit High Bank 2
The generic sequence is P0081 general, P0082 low and P0083 high.
Step 3: Identify Bank 2
Locate:
- Cylinder number 1
- Bank 1
- Opposite cylinder bank
- Bank 2 intake camshaft
- Correct Bank 2 intake VVT solenoid
Do not confuse:
- Bank 2 with Bank 1
- Intake solenoid with exhaust solenoid
- VVT solenoid with camshaft position sensor
- Oil-pressure switch with oil-control valve
Step 4: Check Engine Oil Level
Park the vehicle on level ground and verify:
- Oil level
- Oil condition
- Correct viscosity
- Signs of leakage
- Oil-pressure warning-light behavior
Correct any oil problem before performing active VVT tests.
Step 5: Inspect Oil Condition
Look for:
- Sludge
- Varnish
- Fuel dilution
- Coolant contamination
- Metal debris
- Incorrect viscosity
- Excessively long service interval
Perform an oil and filter change if necessary, but continue electrical diagnosis because P0083 specifically identifies a circuit-high condition.
Step 6: Locate the Bank 2 Intake Solenoid
The solenoid may be mounted:
- In the cylinder head
- Near the valve cover
- Near the timing cover
- At the front or rear of the cylinder head
- Beneath an engine cover
- Near the Bank 2 intake camshaft oil passage
Use service information to identify the correct component.
Step 7: Confirm the Connector Is Attached
Check whether the connector is:
- Installed
- Fully seated
- Locked
- Attached to the correct solenoid
- Free of broken locking tabs
An unplugged solenoid should always be ruled out before advanced electrical testing.
Step 8: Inspect the Connector
Disconnect the connector and inspect for:
- Bent pins
- Corrosion
- Oil contamination
- Water intrusion
- Backed-out terminals
- Spread terminals
- Heat damage
- Damaged seals
Repair connector damage before replacing the solenoid.
Step 9: Inspect the Wiring Harness
Follow the harness toward the PCM and power-distribution system.
Look for:
- Broken wires
- Chafed insulation
- Melted sections
- Pinched wiring
- Rodent damage
- Poor splices
- Contact with hot components
- Missing retainers
- Harness tension
Pay particular attention to areas disturbed during recent engine repairs.
Step 10: Measure Solenoid Resistance
Measure resistance across the disconnected solenoid terminals.
Compare the reading with the manufacturer’s specification.
Possible findings include:
- Infinite resistance: open coil
- Excessively high resistance: damaged coil or internal connection
- Very low resistance: shorted coil
- Correct resistance: continue circuit testing
Do not use a generic resistance specification intended for another engine.
Step 11: Compare Bank 1 and Bank 2 Resistance
If both intake solenoids are identical, compare:
- Bank 1 resistance
- Bank 2 resistance
- Temperature of both components
- Connector condition
A major difference may help identify the faulty solenoid.
Confirm identical part numbers before treating Bank 1 as a known-good reference.
Step 12: Test Each Terminal Against the Housing
When permitted by service information, measure resistance between each solenoid terminal and the solenoid body.
Unexpected continuity may indicate:
- Internal short
- Coil-insulation failure
- Internal contamination
Step 13: Verify Supply Voltage
With ignition on, identify the power-supply terminal.
Expected voltage may be:
- Battery voltage
- Ignition voltage
- Relay-controlled voltage
- PCM-controlled voltage
If voltage is missing, inspect:
- Fuse
- Relay
- Power wire
- Shared splice
- Connector terminal
Step 14: Load-Test the Supply Circuit
An unloaded multimeter may show normal voltage through a heavily corroded connection.
Perform an approved loaded test across:
- Fuse
- Relay contacts
- Power wire
- Shared splice
- Connector terminal
Voltage that collapses under load indicates excessive resistance.
Step 15: Test the Control Wire for an Open
Disconnect the PCM and solenoid as instructed.
Measure continuity from the solenoid connector to the PCM terminal.
Check for:
- Infinite resistance
- Excessive resistance
- Broken splice
- Incorrect terminal location
- Intermittent connection
Move the harness while monitoring resistance.
Step 16: Test for a Short to Battery Voltage
With the PCM and solenoid disconnected, check whether the control wire receives voltage from another circuit.
Possible sources include:
- Solenoid power feed
- Injector power
- Ignition-coil power
- Alternator wiring
- Aftermarket electrical wiring
A short to battery is a documented P0083 detection condition on certain Hyundai applications.
Step 17: Check for a Short Between Circuits
Inspect whether the Bank 2 intake-solenoid control wire is contacting:
- Bank 1 intake-solenoid wiring
- Exhaust VVT wiring
- Injector wiring
- Ignition wiring
- Heated oxygen-sensor wiring
- Charging-system wiring
Heat damage can fuse multiple wires together inside an otherwise normal-looking harness.
Step 18: Inspect Terminal Tension
Use the manufacturer-approved terminal test tool.
Inspect for:
- Spread terminal
- Weak contact
- Backed-out pin
- Broken retaining tang
- Incorrect replacement terminal
Avoid forcing an oversized meter probe into the connector.
Creating a loose terminal while testing for a loose terminal is a particularly efficient form of self-employment.
Step 19: Perform Voltage-Drop Testing
With the circuit operating, measure voltage drop across:
- Power-supply wire
- Fuse
- Relay contacts
- Solenoid connector
- PCM control wire
- PCM grounds
Excessive voltage drop indicates unwanted resistance.
Step 20: Command the Solenoid With a Scan Tool
Use a bidirectional scan tool when supported.
Monitor:
- Bank 2 intake-solenoid command
- Duty cycle
- Control voltage
- Current draw
- Desired Bank 2 intake-camshaft angle
- Actual Bank 2 intake-camshaft angle
- Engine idle speed
Possible results include:
- No current: open circuit or open solenoid
- Circuit remains high: open control wire, short to voltage or failed PCM driver
- Electrical response but no camshaft movement: hydraulic or mechanical problem
- Normal response: intermittent wiring fault or stored history code
Step 21: Measure Solenoid Current
A low-current clamp may reveal:
- Zero current: open circuit
- Low current: excessive resistance
- Excessive current: shorted coil
- Intermittent current: loose connection
Compare the reading with:
- Manufacturer specification
- Bank 1 intake solenoid
- A known-good vehicle
Step 22: Examine the PWM Waveform
An oscilloscope can display:
- Duty cycle
- Voltage amplitude
- PCM switching
- Current ramp
- Driver shutdown
- Intermittent dropouts
A circuit that remains near battery voltage when commanded may indicate:
- Disconnected solenoid
- Open solenoid coil
- Broken control wire
- Short to voltage
- Failed PCM driver
Step 23: Perform a Wiggle Test
Monitor voltage and current while moving:
- Solenoid connector
- Harness near the valve cover
- Wiring near hot components
- Fuse-box connectors
- PCM connector
- Previous repair areas
Watch for:
- Voltage changes
- Current appearing or disappearing
- Code status changes
- Idle changes
- Camshaft response returning
Step 24: Inspect the Solenoid Mechanically
If the electrical circuit passes but camshaft response remains poor, remove the solenoid.
Inspect for:
- Sludge
- Varnish
- Metal debris
- Damaged filter screen
- Stuck spool valve
- Broken O-ring
- Excessive silicone sealant
Mechanical restrictions usually produce timing-performance codes rather than P0083 alone.
Step 25: Compare Desired and Actual Camshaft Timing
Monitor:
- Desired Bank 2 intake-camshaft angle
- Actual Bank 2 intake-camshaft angle
- VVT duty cycle
- Engine speed
- Engine load
- Oil temperature
Possible findings include:
- No electrical command: circuit or PCM problem
- Command present but no movement: oil, solenoid or phaser problem
- Bank 2 response differs from Bank 1: bank-specific fault
- Both banks fail together: shared oil, power or PCM issue
Step 26: Swap Solenoids Only When Approved
If the Bank 1 and Bank 2 intake solenoids are confirmed identical, a controlled swap may help isolate the fault.
After swapping:
- Code moves to Bank 1: solenoid likely faulty
- P0083 remains on Bank 2: wiring or PCM circuit likely faulty
Do not swap intake and exhaust solenoids unless the manufacturer confirms they are interchangeable.
Step 27: Check PCM Power and Grounds
Before condemning the PCM, verify:
- Constant battery power
- Ignition power
- PCM grounds
- Connector condition
- Terminal tension
- Water intrusion
- Charging-system voltage
A weak PCM ground can create misleading output-driver faults.
Step 28: Check Technical Service Bulletins
Search current manufacturer information using:
- VIN
- Model year
- Engine code
- P0083
- Solenoid part number
- PCM calibration number
- Related trouble codes
Possible factory corrections may include:
- Updated solenoid
- Revised wiring
- Connector repair
- Harness relocation
- PCM software update
- Revised diagnostic procedure
Step 29: Evaluate the PCM Driver
Only consider PCM failure after confirming:
- Solenoid resistance is correct
- Supply voltage is correct
- Control wire has continuity
- Control circuit is not shorted to voltage
- Connector terminals are secure
- PCM powers and grounds are correct
- Software is current
If the driver cannot pull the circuit low after all external tests pass, the PCM may require:
- Software update
- Module repair
- Replacement and programming
Step 30: Verify the Repair
After completing repairs:
- Clear all diagnostic trouble codes.
- Start the engine.
- Confirm the oil-pressure warning light turns off normally.
- Monitor the Bank 2 intake-solenoid command.
- Check circuit voltage and current.
- Compare desired and actual intake-camshaft timing.
- Verify normal idle quality.
- Road-test under varied load and RPM.
- Complete the required drive cycle.
- Rescan for pending and confirmed codes.
- Confirm P0083 does not return.
Common Repairs and Costs
| Repair | Estimated Cost |
| Reconnect or reseat solenoid connector | $0–100 |
| Clean electrical connector | $50–150 |
| Replace connector terminals | $75–250 |
| Engine oil and filter change | $60–180 |
| Replace Bank 2 intake VVT solenoid | $150–500 |
| Repair open or shorted wiring | $150–650 |
| Replace solenoid connector | $100–325 |
| Replace fuse or relay after repairing fault | $75–250 |
| Repair engine power-supply circuit | $150–700 |
| Clean restricted oil passage | $200–700 |
| Replace intake camshaft actuator or phaser | $700–2,000+ |
| Replace timing-chain components | $1,000–4,000+ |
| Update PCM software | $100–300 |
| Replace and program PCM | $1,000–2,500+ |
Repair costs vary according to:
- Vehicle design
- Solenoid accessibility
- Wiring location
- Labor rate
- Oil contamination
- Additional timing faults
- Module-programming requirements
A disconnected solenoid may take seconds to repair.
A broken control wire routed beneath the intake manifold may turn those seconds into several labor hours and a growing pile of decorative engine plastics.
Common Diagnostic Mistakes
Avoid these common P0083 diagnostic mistakes:
- Confusing P0083 with P0082
- Calling P0083 the general Bank 2 circuit code
- Assuming “circuit high” means high oil pressure
- Replacing the solenoid without testing resistance
- Ignoring an unplugged connector
- Misidentifying Bank 2
- Confusing intake and exhaust solenoids
- Testing only the power-supply wire
- Failing to test for a short to battery voltage
- Checking continuity without load-testing the circuit
- Using generic solenoid resistance specifications
- Replacing the cam phaser before testing the circuit
- Replacing the PCM before inspecting connector terminals
- Assuming a new aftermarket solenoid must be good
- Failing to verify the repair with active scan-tool testing
P0083 is an electrical circuit-high code.
Replacing the timing chain before checking a two-wire connector is not technically impossible. It is merely a remarkably expensive way to avoid using a multimeter.
Vehicles Commonly Affected
P0083 is a generic OBD-II code and may appear on certain:
- Hyundai vehicles
- Kia vehicles
- Nissan vehicles
- Infiniti vehicles
- Mazda vehicles
- Mitsubishi vehicles
- Toyota vehicles
- Lexus vehicles
- Subaru vehicles
- Ford vehicles
- Lincoln vehicles
- Chevrolet vehicles
- GMC vehicles
- Cadillac models
- Dodge vehicles
- Jeep models
- Chrysler vehicles
Manufacturer terminology may include:
- Intake oil control valve
- Intake valve timing control solenoid
- Intake VVT solenoid
- VCT solenoid
- Intake camshaft actuator solenoid
- CVVT oil control valve
The exact wiring, voltage thresholds and diagnostic procedures vary by application.
P0083 on Hyundai and Kia Vehicles
Hyundai and Kia may call the component the:
- Intake oil control valve
- Intake CVVT oil control valve
- Intake valve control solenoid
A documented Hyundai diagnostic strategy identifies possible P0083 causes as:
- Poor electrical connection
- Control circuit shorted to battery
- Failed oil control valve
- Failed PCM
The code may be monitored continuously while the engine is running and system voltage remains within the permitted range.
Important checks include:
- Bank 2 solenoid coil resistance
- Connector condition
- Solenoid supply voltage
- PCM control-wire continuity
- Short to battery voltage
- Engine oil level and condition
P0083 on Nissan and Infiniti Vehicles
Nissan and Infiniti may refer to the component as the:
Intake Valve Timing Control Solenoid Valve
Possible causes include:
- Open solenoid coil
- Disconnected connector
- Broken ECM control wire
- Harness short to voltage
- Corroded terminal
- ECM driver fault
- Incorrect replacement solenoid
If additional Bank 2 intake timing-performance codes are stored, inspect:
- Engine oil condition
- Oil pressure
- Solenoid screen
- Camshaft actuator
- Timing-chain condition
P0083 on Toyota and Lexus Vehicles
Toyota and Lexus may refer to the component as the:
- Oil control valve
- Camshaft timing oil control valve
- VVT control solenoid
Possible inspection areas include:
- Bank 2 intake oil control valve
- Harness near the cylinder head
- Shared actuator power supply
- Connector terminal tension
- PCM control circuit
- Oil-control-valve filter
Use the engine-specific wiring diagram because Toyota and Lexus V-engine bank locations vary by engine family.
P0083 on Ford and Lincoln Vehicles
Ford and Lincoln commonly use the term:
- Variable camshaft timing solenoid
- VCT solenoid
Possible causes include:
- Open Bank 2 intake VCT solenoid
- Connector damage
- Harness chafing
- Missing actuator power supply
- Control wire shorted to voltage
- PCM driver fault
Check for additional codes affecting:
- Bank 1 VCT solenoid
- Exhaust VCT circuits
- Camshaft sensors
- Shared engine-actuator power
Multiple VCT circuit codes may indicate a shared electrical issue.
P0083 on GM Vehicles
General Motors may call the component the:
- Intake camshaft position actuator solenoid
- Camshaft actuator solenoid valve
Possible causes include:
- Open solenoid coil
- Loose engine-harness connector
- Damaged actuator power feed
- Short to voltage
- Incorrect solenoid
- ECM driver failure
If several solenoid codes are present, inspect the shared ignition-voltage circuit before replacing multiple actuators.
P0083 After Engine Repairs
If P0083 appears after:
- Valve-cover replacement
- Cylinder-head repair
- Timing-chain service
- Engine replacement
- Intake manifold removal
- Solenoid replacement
inspect for:
- Solenoid connector left unplugged
- Connector installed on the wrong component
- Harness pinched beneath a bracket
- Terminal pulled from the connector
- Incorrect solenoid installed
- Replacement pigtail wired incorrectly
- PCM connector not fully locked
A code appearing immediately after repair work should first be investigated in the area that was disturbed.
The PCM can control camshaft timing hundreds of times during a drive. It remains entirely unable to reconnect the plug someone left hanging beside the valve cover.
P0083 After Replacing the VVT Solenoid
If P0083 appears after installing a new solenoid, verify:
- Correct part number
- Correct Bank 2 location
- Correct intake position
- Connector fully seated
- Terminal alignment
- Coil resistance
- Pigtail wiring
- Solenoid pin condition
A replacement component may still be:
- Defective
- Incorrect
- Electrically incompatible
- Installed on the wrong bank
- Installed in the exhaust position
Do not condemn the PCM merely because the new part arrived in clean packaging.
Can Dirty Oil Cause P0083?
Dirty oil may contribute to mechanical VVT problems, but P0083 specifically identifies a high electrical circuit condition.
Dirty oil may cause:
- Solenoid spool sticking
- Restricted oil screen
- Slow camshaft movement
- Cam phaser noise
- P0021 or P0022
Dirty oil does not directly explain:
- Disconnected connector
- Open solenoid coil
- Broken control wire
- Short to battery voltage
Check the oil, but continue electrical testing.
Can Low Oil Cause P0083?
Low oil is not normally the direct cause of a circuit-high electrical code.
However, low oil may produce:
- Poor VVT response
- Cam phaser noise
- Additional timing codes
- Low oil pressure
- Solenoid sticking
Correct the oil level before performing active tests, but do not assume adding oil will repair an open electrical circuit.
Can a Bad VVT Solenoid Cause P0083?
Yes.
An intake VVT solenoid can cause P0083 if its internal coil is:
- Open
- Excessively resistive
- Intermittently disconnected
- Broken at an internal terminal
Measure coil resistance and compare it with the manufacturer’s specification.
Can a Bad Camshaft Position Sensor Cause P0083?
A camshaft position sensor is not a common direct cause of P0083.
The camshaft sensor reports camshaft position, while P0083 monitors the intake valve control solenoid circuit.
A failed camshaft sensor is more likely to set:
- Camshaft position sensor code
- Camshaft correlation code
- VVT performance code
- Starting or stalling complaint
Diagnose all stored codes together.
Can a Blown Fuse Cause P0083?
Possibly, depending on circuit design and how the PCM monitors the actuator.
A blown fuse may remove power from:
- Bank 2 intake VVT solenoid
- Both intake solenoids
- Multiple camshaft actuators
- Other engine-control devices
If several actuator codes appear together, inspect the shared fuse and relay before replacing individual solenoids.
If a fuse is blown, find the cause before installing another one.
A fuse is not a periodic maintenance item. It is the circuit’s written complaint about excessive current.
How to Prevent P0083
Reduce the likelihood of P0083 by:
- Maintaining the correct engine-oil level
- Using the correct oil viscosity
- Following recommended oil-change intervals
- Repairing oil leaks promptly
- Keeping VVT connectors clean and dry
- Replacing damaged connector seals
- Reinstalling engine-harness retainers
- Keeping wiring away from excessive heat
- Inspecting wiring after engine repairs
- Using OEM-quality VVT solenoids
- Avoiding oversized electrical test probes
- Repairing damaged wiring before it shorts to voltage
Frequently Asked Questions
What does P0083 mean?
P0083 means the PCM has detected a higher-than-expected electrical signal in the Bank 2 intake valve control solenoid circuit.
What is the full definition of P0083?
The generic definition is:
Intake Valve Control Solenoid Circuit High Bank 2
Is P0083 the general Bank 2 intake-solenoid code?
No.
The correct sequence is:
- P0081: general circuit malfunction
- P0082: circuit low
- P0083: circuit high
Where is Bank 2?
Bank 2 is the side of the engine that does not contain cylinder number 1.
The exact side varies by engine design.
What does circuit high mean?
Circuit high means the monitored voltage or PCM driver feedback is above the expected range.
Common causes include:
- Open circuit
- Disconnected solenoid
- Broken control wire
- Short to battery voltage
- Failed PCM driver
Does circuit high mean high engine-oil pressure?
No.
The word “high” refers to the electrical circuit signal, not engine-oil pressure.
What causes P0083 most often?
Common causes include:
- Disconnected Bank 2 intake VVT solenoid
- Open solenoid coil
- Broken control wire
- Corroded connector
- Short to battery voltage
- Incorrect replacement solenoid
- PCM driver fault
Is P0083 serious?
P0083 is moderately serious.
The engine may continue running, but performance, fuel economy, idle quality and emissions may be affected.
Can I drive with P0083?
Possibly for a short distance if:
- Oil pressure is normal
- Engine runs reasonably smoothly
- No severe timing noise is present
- Power loss is mild
Stop driving if the oil-pressure warning appears, the engine rattles, it stalls or power loss becomes severe.
Can P0083 cause rough idle?
Yes.
Loss of Bank 2 intake camshaft control may cause rough idle, surging, misfires or stalling.
Can P0083 cause poor acceleration?
Yes.
The engine may lose torque and throttle response if the Bank 2 intake camshaft timing cannot be adjusted.
Can P0083 cause Bank 2 misfires?
It may contribute to Bank 2 misfires if incorrect intake timing affects cylinder filling and combustion stability.
Ignition, fuel and compression problems must still be ruled out.
Can an unplugged VVT solenoid cause P0083?
Yes.
A disconnected solenoid can create an open circuit and leave the monitored circuit at high voltage.
Can broken wiring cause P0083?
Yes.
An open control wire or a control wire shorted to battery voltage can set P0083.
Can dirty oil cause P0083?
Dirty oil can contribute to hydraulic VVT problems, but P0083 requires electrical testing because it identifies a circuit-high condition.
What is the difference between P0081 and P0083?
P0081 indicates a general Bank 2 intake valve control solenoid circuit malfunction.
P0083 specifically indicates that the circuit signal is above the expected range.
What is the difference between P0082 and P0083?
P0082 indicates a low circuit condition.
P0083 indicates a high circuit condition.
What is the difference between P0077 and P0083?
P0077 affects the Bank 1 intake valve control solenoid circuit.
P0083 affects the Bank 2 intake valve control solenoid circuit.
Can I test the VVT solenoid with a multimeter?
Yes.
Common tests include:
- Coil resistance
- Short to housing
- Supply voltage
- Control-wire continuity
- Short to battery voltage
- Voltage drop
Use vehicle-specific specifications.
Can I apply battery voltage directly to the solenoid?
Only if the manufacturer’s testing procedure permits it.
Incorrect polarity, continuous power or excessive current may damage the solenoid or circuit.
Does a replacement VVT solenoid require programming?
Usually not.
The vehicle may require:
- Code clearing
- Drive cycle
- Camshaft relearn
- Oil service
- PCM adaptation
A replacement PCM requires programming.
How much does P0083 cost to repair?
A basic Bank 2 intake VVT solenoid replacement typically costs approximately $150–500.
Wiring, connector, PCM, camshaft actuator or timing-system repairs may cost substantially more.
Final Thoughts
The P0083 code means the PCM has detected a high electrical condition in the Bank 2 intake valve control solenoid circuit.
The most common causes include:
- Disconnected Bank 2 intake VVT solenoid
- Open solenoid coil
- Broken PCM control wire
- Control circuit shorted to battery voltage
- Loose or corroded connector
- Incorrect replacement solenoid
- Failed PCM driver
Start diagnosis by:
- Confirming P0083 is the circuit-high code.
- Scanning for related trouble codes.
- Correctly identifying Bank 2.
- Checking engine oil level and condition.
- Confirming the intake solenoid is connected.
- Inspecting connector terminals.
- Measuring solenoid resistance.
- Verifying supply voltage.
- Testing control-wire continuity.
- Checking for a short to battery voltage.
- Comparing Bank 1 and Bank 2 circuits.
- Commanding the solenoid with a bidirectional scan tool.
- Evaluating the PCM only after external circuit tests pass.
Do not interpret “circuit high” as high engine-oil pressure or an over-advanced camshaft.
P0083 means the electrical circuit remains above the voltage the PCM expects. On many systems, that points toward an open solenoid, disconnected connector, broken control wire or unwanted battery voltage.
The repair may be as simple as reconnecting one plug.
It may also require following one damaged wire through a harness routed beneath enough brackets, intake plumbing and plastic covers to make a two-wire circuit feel like an archaeological expedition.
Related Articles
Intake Valve Control Solenoid Codes
- P0075 Code Explained: Intake Valve Control Solenoid Circuit Bank 1
- P0076 Code Explained: Intake Valve Control Solenoid Circuit Low Bank 1
- P0077 Code Explained: Intake Valve Control Solenoid Circuit High Bank 1
- P0081 Code Explained: Intake Valve Control Solenoid Circuit Bank 2
- P0082 Code Explained: Intake Valve Control Solenoid Circuit Low Bank 2
Related Bank 2 Camshaft Codes
- P0020 Code Explained: “A” Camshaft Position Actuator Circuit Bank 2
- P0021 Code Explained: “A” Camshaft Timing Over-Advanced Bank 2
- P0022 Code Explained: “A” Camshaft Timing Over-Retarded Bank 2
- P0018 Code Explained: Crankshaft–Camshaft Correlation Bank 2 Sensor A
Next Codes
- P0084 Code Explained: Exhaust Valve Control Solenoid Circuit Bank 2
- P0085 Code Explained: Exhaust Valve Control Solenoid Circuit Low Bank 2
- P0086 Code Explained: Exhaust Valve Control Solenoid Circuit High Bank 2
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