OBD-II Code · Chassis
C0161
ABS/TCS Brake Switch Circuit
medium severitySafe to drive$30-$150
Brake switch circuit fault for ABS.
Common symptoms
- ABS light
- Cruise inoperative
Likely causes
- Failed switch
- Wiring
Where to start
- Try the cheapest cause first. Start by checking: failed switch.
- Cost & scope. $30-$150
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
Related codes
C0035Left Front Wheel Speed Sensor CircuitC0036Left Front Wheel Speed Sensor Circuit Range/PerformanceC0040Right Front Wheel Speed Sensor CircuitC0041Right Front Wheel Speed Sensor RangeC0045Left Rear Wheel Speed Sensor CircuitC0046Left Rear Wheel Speed Sensor RangeC0050Right Rear Wheel Speed Sensor CircuitC0051Right Rear Wheel Speed Sensor Range
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