Chassis
generic / SAE
C0099
ABS Control Module Internal Fault
The ABS control module fails its internal self-test (RAM, ROM or processor watchdog). ABS and stability control are disabled.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 99
Possible causes
- Module internally failed high
- Power supply undervoltage during operation medium
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: 400–1600 €
- Estimated time: 1–4 h
- Component: abs control module
Sources
References
sae:J2012