OBD-II code · Chassis
C0136 Stop Lamp Switch Circuit
The ABS or stability control module sees an implausible brake light switch signal. Stability and brake assist functions can be limited until the fault is cleared.
Is it safe to drive with C0136?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBrake light switch failed
- PossibleSwitch misadjusted on pedal bracket
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.2–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Light Switch, ABS Control Module, Wiring
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.