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P0083 Code Explained: Intake Valve Control Solenoid Circuit High Bank 2 Causes, Symptoms & Fixes

P0083 code displayed on an OBD-II scanner with the Bank 2 intake valve control solenoid, high circuit voltage, disconnected wiring and intake camshaft actuator highlighted.

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:

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:

Possible symptoms include:

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

ItemInformation
OBD-II CodeP0083
DescriptionIntake Valve Control Solenoid Circuit High Bank 2
CategoryPowertrain
SystemVariable Valve Timing
Main ComponentIntake Valve Control Solenoid
Affected SideBank 2
Fault TypeHigh Circuit Voltage
Common Electrical CauseOpen Circuit or Short to Voltage
SeverityModerate
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:

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:

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:

Inline engines normally have only one bank and therefore should not use a Bank 2 designation for this circuit.

Bank 2 is not automatically:

Its physical location depends on the manufacturer’s cylinder-numbering system.

Use:

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:

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:

Variable intake camshaft timing can improve:

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:

  1. Engine oil supply
  2. Oil passages inside the cylinder head
  3. Intake valve control solenoid
  4. Intake camshaft actuator or phaser
  5. Camshaft position sensor
  6. Crankshaft position sensor
  7. PCM control strategy

When the PCM requests an intake camshaft adjustment:

  1. It changes the electrical command sent to the solenoid.
  2. The solenoid redirects pressurized oil.
  3. Oil enters one side of the camshaft actuator.
  4. The actuator rotates the camshaft relative to its timing sprocket.
  5. The camshaft position sensor reports the new position.
  6. 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:

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:

The PCM may monitor:

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:

Common circuit-high conditions include:

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

CodeDescriptionTypical Meaning
P0081Intake Valve Control Solenoid Circuit Bank 2General circuit malfunction
P0082Intake Valve Control Solenoid Circuit Low Bank 2Circuit voltage below specification
P0083Intake Valve Control Solenoid Circuit High Bank 2Circuit voltage above specification

The generic OBD-II code list confirms this sequence.

In general:

Manufacturer circuit designs vary, so the correct wiring diagram should always be used.

P0083 vs P0077

CodeAffected Bank
P0077Intake Valve Control Solenoid Circuit High Bank 1
P0083Intake 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:

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:

Always use the diagnostic chart written for the exact code, vehicle, engine and model year.

Symptoms of P0083

Possible P0083 symptoms include:

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:

If the Bank 2 intake camshaft becomes fixed in an unsuitable position, the engine may:

However, a rough idle can also result from:

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:

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:

However, P0083 should not automatically be blamed for every misfire.

Check for:

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:

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:

An open coil normally measures:

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:

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:

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:

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:

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:

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:

Oil can:

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:

Water may promote:

10. Heat-Damaged Wiring

The intake VVT wiring may run near:

Heat can make insulation:

A melted control wire may open or contact a powered circuit.

11. Chafed Engine Harness

The harness may rub against:

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:

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:

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:

Mechanical failures include:

P0083 points toward the electrical circuit first.

15. Incorrect Replacement Solenoid

An incorrect replacement part may have:

A new solenoid may still be:

New packaging is not proof of electrical compatibility.

16. Excessive Circuit Resistance

High resistance may be caused by:

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:

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:

Follow the manufacturer’s procedure before disconnecting the PCM.

19. PCM Power or Ground Problem

A PCM power or ground issue can interfere with:

Inspect:

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:

Always verify the oil level before commanding the VVT system.

21. Dirty or Sludged Engine Oil

Contaminated oil may restrict:

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:

Use the manufacturer-specified:

23. Restricted Solenoid Screen

Some intake VVT solenoids contain a fine oil screen.

It may become restricted by:

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:

Check for:

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:

Only suspect the PCM after confirming:

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:

Possible consequences include:

P0083 becomes more serious if:

Can You Drive With P0083?

You may be able to drive a short distance if:

Avoid continued driving if:

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:

Record:

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:

Do not confuse:

Step 4: Check Engine Oil Level

Park the vehicle on level ground and verify:

Correct any oil problem before performing active VVT tests.

Step 5: Inspect Oil Condition

Look for:

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:

Use service information to identify the correct component.

Step 7: Confirm the Connector Is Attached

Check whether the connector is:

An unplugged solenoid should always be ruled out before advanced electrical testing.

Step 8: Inspect the Connector

Disconnect the connector and inspect for:

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:

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:

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:

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:

Step 13: Verify Supply Voltage

With ignition on, identify the power-supply terminal.

Expected voltage may be:

If voltage is missing, inspect:

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:

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:

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:

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:

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:

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:

Excessive voltage drop indicates unwanted resistance.

Step 20: Command the Solenoid With a Scan Tool

Use a bidirectional scan tool when supported.

Monitor:

Possible results include:

Step 21: Measure Solenoid Current

A low-current clamp may reveal:

Compare the reading with:

Step 22: Examine the PWM Waveform

An oscilloscope can display:

A circuit that remains near battery voltage when commanded may indicate:

Step 23: Perform a Wiggle Test

Monitor voltage and current while moving:

Watch for:

Step 24: Inspect the Solenoid Mechanically

If the electrical circuit passes but camshaft response remains poor, remove the solenoid.

Inspect for:

Mechanical restrictions usually produce timing-performance codes rather than P0083 alone.

Step 25: Compare Desired and Actual Camshaft Timing

Monitor:

Possible findings include:

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:

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:

A weak PCM ground can create misleading output-driver faults.

Step 28: Check Technical Service Bulletins

Search current manufacturer information using:

Possible factory corrections may include:

Step 29: Evaluate the PCM Driver

Only consider PCM failure after confirming:

If the driver cannot pull the circuit low after all external tests pass, the PCM may require:

Step 30: Verify the Repair

After completing repairs:

  1. Clear all diagnostic trouble codes.
  2. Start the engine.
  3. Confirm the oil-pressure warning light turns off normally.
  4. Monitor the Bank 2 intake-solenoid command.
  5. Check circuit voltage and current.
  6. Compare desired and actual intake-camshaft timing.
  7. Verify normal idle quality.
  8. Road-test under varied load and RPM.
  9. Complete the required drive cycle.
  10. Rescan for pending and confirmed codes.
  11. Confirm P0083 does not return.

Common Repairs and Costs

RepairEstimated 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:

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:

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:

Manufacturer terminology may include:

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:

A documented Hyundai diagnostic strategy identifies possible P0083 causes as:

The code may be monitored continuously while the engine is running and system voltage remains within the permitted range.

Important checks include:

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:

If additional Bank 2 intake timing-performance codes are stored, inspect:

P0083 on Toyota and Lexus Vehicles

Toyota and Lexus may refer to the component as the:

Possible inspection areas include:

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:

Possible causes include:

Check for additional codes affecting:

Multiple VCT circuit codes may indicate a shared electrical issue.

P0083 on GM Vehicles

General Motors may call the component the:

Possible causes include:

If several solenoid codes are present, inspect the shared ignition-voltage circuit before replacing multiple actuators.

P0083 After Engine Repairs

If P0083 appears after:

inspect for:

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:

A replacement component may still be:

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:

Dirty oil does not directly explain:

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:

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:

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:

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:

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:

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:

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:

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:

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:

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:

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:

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:

Start diagnosis by:

  1. Confirming P0083 is the circuit-high code.
  2. Scanning for related trouble codes.
  3. Correctly identifying Bank 2.
  4. Checking engine oil level and condition.
  5. Confirming the intake solenoid is connected.
  6. Inspecting connector terminals.
  7. Measuring solenoid resistance.
  8. Verifying supply voltage.
  9. Testing control-wire continuity.
  10. Checking for a short to battery voltage.
  11. Comparing Bank 1 and Bank 2 circuits.
  12. Commanding the solenoid with a bidirectional scan tool.
  13. 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.

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