Chassis
generic / SAE
C0870
Adaptive Cruise Control Brake Request Performance
A brake request from adaptive cruise control or AEB cannot be executed within the expected response time.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number8 / 70
Possible causes
- Bus communication latency high
- Hydraulic block slow to build pressure 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: 200–1600 €
- Estimated time: 1–5 h
- Component: abs control module
- Component: acc radar module
- Component: communication bus
Sources
References
sae:J2012