C0043
Brake Pedal Position Sensor Circuit B
C0043 is an OBD-II diagnostic trouble code meaning: Brake Pedal Position Sensor Circuit B. Common causes: open or short circuit in the sensor circuit, brake pedal position sensor b malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the ABS system
- Problems with cruise control
- Check Engine light comes on
- Unstable operation of the brake system
Causes
- Open or short circuit in the sensor circuit
- Brake pedal position sensor B malfunction
- Poor contact in connectors
- Wiring harness damage
- ECU malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check contacts in connectors
- Replace brake pedal position sensor B if necessary
- Check wiring harness for damage
- Check the ECU for errors
Related codes
Error C0043 by Vehicle Brand
FAQ
What does the C0043 code mean?
C0043 is an OBD-II diagnostic trouble code that indicates: Brake Pedal Position Sensor Circuit B
What causes a C0043 error code?
The most common causes of C0043 include: Open or short circuit in the sensor circuit; Brake pedal position sensor B malfunction; Poor contact in connectors; Wiring harness damage.
How do I fix a C0043 diagnostic trouble code?
To fix C0043: Check the integrity of the sensor circuit. Check contacts in connectors. Replace brake pedal position sensor B if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0043?
Limited driving only, diagnose soon
How much does it cost to fix C0043?
The estimated repair cost for C0043 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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