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

C0376

Front Axle Disconnect

The 4WD control module has detected a fault on the front axle disconnect actuator. On part-time AWD vehicles this actuator decouples the front axle for fuel saving, and a fault prevents engagement or disengagement of front-wheel drive.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number3 / 76

Possible causes

  • Disconnect actuator failed (motor or solenoid) high
  • Wiring or connector fault medium
  • Axle position switch failed low

Symptoms

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

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 300–1500 €
  • Estimated time: 1–5 h
  • Component: front axle disconnect actuator
  • Component: awd control module
  • Component: axle position switch

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