OBD-II Code · Chassis
C0045
Left Rear Wheel Speed Sensor Circuit
high severitySafe to drive$150-$500
ABS module loses signal from LR wheel-speed sensor.
Common symptoms
- ABS light
- Cruise control disabled
Likely causes
- Failed sensor
- Damaged tone ring
- Wiring
Where to start
- Try the cheapest cause first. Start by checking: failed sensor.
- Cost & scope. $150-$500
- 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 RangeC0046Left Rear Wheel Speed Sensor RangeC0050Right Rear Wheel Speed Sensor CircuitC0051Right Rear Wheel Speed Sensor RangeC0110Pump Motor Circuit Malfunction (ABS)
Look up another code
More free tools