C055A
ABS Pump Motor Supply Voltage Circuit A High
C055A is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Supply Voltage Circuit A High. Common causes: malfunction of the generator or voltage regulator, damaged abs pump wiring harness. Estimated repair cost: $56–222.
Symptoms
- ABS light is on
- Unstable operation of the anti-lock braking system
- Possible extraneous noise from the ABS pump
Causes
- Malfunction of the generator or voltage regulator
- Damaged ABS pump wiring harness
- Short circuit in power supply
- Problems with the ABS control module
How to Fix
- Check the voltage in the vehicle's on-board network
- Inspect the ABS pump wiring harness for damage.
- Check the resistance of the pump power circuit
- If necessary, replace the generator voltage regulator
- Test and/or replace ABS module
Related codes
Error C055A by Vehicle Brand
FAQ
What does the C055A code mean?
C055A is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Supply Voltage Circuit A High
What causes a C055A error code?
The most common causes of C055A include: Malfunction of the generator or voltage regulator; Damaged ABS pump wiring harness; Short circuit in power supply; Problems with the ABS control module.
How do I fix a C055A diagnostic trouble code?
To fix C055A: Check the voltage in the vehicle's on-board network. Inspect the ABS pump wiring harness for damage.. Check the resistance of the pump power circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C055A?
Do not drive — repair immediately
How much does it cost to fix C055A?
The estimated repair cost for C055A is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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