Chassis
generic / SAE
C0374
4WD Drive Coupling
The 4WD or AWD control module has detected a fault on the electronic drive coupling that distributes torque between axles. Reduced torque transfer or a complete loss of all-wheel drive function may result.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number3 / 74
Possible causes
- Coupling actuator failed high
- Coupling oil overheated medium
- Wiring or connector fault 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: 400–3000 €
- Estimated time: 1.5–6 h
- Component: awd coupling
- Component: awd control module
- Component: coupling actuator
Sources
References
sae:J2012