OBD-II Error Code P0015: How to Fix It

Medium 1-3 hours Medium Severity Verified June 2026
Error Code
P0015
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
1-3 hours
Error code P0015 means your car's engine computer has detected that the exhaust camshaft timing on bank 1 is overly retarded. This can cause poor performance, rough idle, and reduced fuel economy. Common causes include low oil level, dirty oil, faulty variable valve timing (VVT) solenoid, or a stretched timing chain.
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Tools You'll Need

How to Fix Error Code P0015

  1. Check Engine Oil Level and Condition

    Do not check oil with the engine running. Use caution as oil can be hot.
  2. Change Oil and Filter If Needed

    Dispose of used oil properly. Check local regulations.
  3. Inspect and Replace VVT Solenoid (Oil Control Valve)

    Disconnect the battery before working on electrical components.
  4. Test VVT Solenoid Electrical Resistance

    Ensure engine is off and ignition key is removed.
  5. Check Timing Chain/Belt Tension and Position

    If you are not experienced, do not attempt this step. Incorrect timing can damage the engine.
  6. Inspect Camshaft Position Actuator and Sensor

  7. Clear Code and Test Drive

    If the code returns immediately, further diagnosis is needed.

Parts You May Need

Engine oil and oil filter
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VVT solenoid (oil control valve)
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Timing chain/ belt kit
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Camshaft position sensor
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Engine oil and oil filter
Check Price on Amazon
VVT solenoid (oil control valve)
Check Price on Amazon
Timing chain/ belt kit
Check Price on Amazon
Camshaft position sensor
Check Price on Amazon
Engine oil and oil filter
Check Price on Amazon
VVT solenoid (oil control valve)
Check Price on Amazon
Timing chain/ belt kit
Check Price on Amazon
Camshaft position sensor
Check Price on Amazon
Engine oil and oil filter
Check Price on Amazon
VVT solenoid (oil control valve)
Check Price on Amazon
Timing chain/ belt kit
Check Price on Amazon
Camshaft position sensor
Check Price on Amazon
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When to Call a Professional

If the code persists after checking oil, replacing the VVT solenoid, and testing electrical components, the issue may be a stretched timing chain or a faulty camshaft phaser. These repairs require specialized tools and expertise, so it's best to consult a professional mechanic.

Frequently Asked Questions

Can I drive with error code P0015?
You can drive short distances, but it's not recommended as it can cause reduced fuel economy, poor performance, and potential engine damage over time.
Will low oil cause P0015?
Yes, low oil level or dirty oil can starve the VVT components causing timing retarded. Always start with an oil check and change if needed.
How much does it cost to fix P0015?
Cost varies: DIY oil change ~$30-70, VVT solenoid replacement ~$100-300, timing chain replacement ~$1000-2500. Labor adds significant cost for complex repairs.
What does 'B camshaft position timing over-retarded' mean?
It means the exhaust camshaft on bank 1 is timed too late relative to the crankshaft. This disrupts engine valve timing, causing performance issues.
Is P0015 the same as P0014?
No. P0014 indicates 'over-advanced' timing, while P0015 indicates 'over-retarded'. Both involve the exhaust camshaft on bank 1 but opposite timing conditions.