Chassis
generic / SAE
C0205
Stop Lamp Switch Circuit
The ABS or stability control module has detected a fault in the stop lamp switch circuit. The brake light switch tells the module whether the driver is braking and is used to coordinate ABS, traction control and cruise control.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 05
Possible causes
- Stop lamp switch failed or misadjusted high
- Wiring or connector fault medium
- Blown stop lamp fuse low
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: stop lamp switch
- Component: abs control module
- Component: cruise control module
Sources
References
sae:J2012