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!

Chassis generic / SAE

C05F2

Rear Drive Shaft Speed Sensor Circuit Intermittent

Intermittent signal from rear drive shaft speed sensor. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / F2

Possible causes

  • Connector loose high
  • Connector with intermittent contact under vibration low
  • Harness routed against vibrating component low

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 50–400 €
  • Estimated time: 0.5–2 h
  • Component: rear drive shaft speed sensor
  • MIL / check engine light
  • drive cycle required
  • 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