OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

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.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 3F

Possible causes

  • Timing chain stretched or jumped high
  • Crank or cam sensor signal corrupted medium

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 400–4000 €
  • Estimated time: 3–12 h
  • Component: timing chain
  • Component: crankshaft position sensor
  • Component: camshaft position sensor
  • MIL / check engine light
  • emissions-relevant
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication