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

P0024

"B" Camshaft Position - Timing Over-Advanced (Bank 2)

The bank 2 exhaust camshaft is more advanced than commanded. Same root causes as P0011 but on the exhaust cam.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 24

Possible causes

  • Oil control valve stuck (advance) high

Symptoms

  • Check engine light on
  • Power loss especially in mid-rpm range
  • Possible rough idle or stalling
  • Increased fuel consumption

Inspection / repair

  • Difficulty: medium
  • DIY: possible

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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