Code result
P033F
Crankshaft/Camshaft Loss Of Synchronization
High severity
What it means
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.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Timing chain stretched or jumped
highOne of the most commonly reported causes for this code — check this first.
Crank or cam sensor signal corrupted
mediumA plausible cause — test and verify before replacing parts.
Related help
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