Chassis
generic / SAE
C0161
ABS/TCS Brake Switch Circuit
The ABS or traction control module has detected an implausible signal from the brake light switch. The switch tells the module whether the driver is braking and is used to inhibit traction control during braking.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number1 / 61
Possible causes
- Brake light switch failed or misadjusted high
- Wiring or connector fault medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–200 €
- Estimated time: 0.3–1 h
- Component: brake light switch
- Component: abs control module
- Component: tcs control module
Sources
References
sae:J2012