P033F
Crankshaft/Camshaft Loss Of Synchronization
The PCM has lost crank-to-cam synchronization — the relative phase between crankshaft and camshaft no longer matches the calibrated reference. Causes include a stretched or jumped timing chain, broken cam timing tooth, or sensor signal corruption.
The PCM has lost crank-to-cam synchronization — the relative phase between crankshaft and camshaft no longer matches the calibrated reference. Causes include a stretched or jumped timing chain, broken cam timing tooth, or sensor signal corruption.
Common causes
- high
Timing chain stretched or jumped
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-4400
- medium
Crank or cam sensor signal corrupted
A plausible cause — test and verify before replacing parts.
Typical part cost: $440-4400
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P033F mean?
P033F means "Crankshaft/Camshaft Loss Of Synchronization". It is a generic OBD-II code that points to a fault in the ignition system or misfire.
What are the most common causes of P033F?
timing chain stretched or jumped; crank or cam sensor signal corrupted — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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