C05A7
ABS Pump Motor Supply Voltage B Circuit Low
C05A7 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Supply Voltage B Circuit Low. Common causes: abs pump motor malfunction, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- ABS light is on
- Reduced braking performance
- Lack of operation of the stabilization system
Causes
- ABS pump motor malfunction
- Wiring harness damage
- Faulty ABS pump relay
- Problems with the ABS control unit
How to Fix
- Check the voltage in the ABS pump power supply circuit
- Inspect the wiring harness for damage
- Check ABS pump relay
- Test the ABS pump motor
- If necessary, replace faulty components
Related codes
Error C05A7 by Vehicle Brand
FAQ
What does the C05A7 code mean?
C05A7 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Supply Voltage B Circuit Low
What causes a C05A7 error code?
The most common causes of C05A7 include: ABS pump motor malfunction; Wiring harness damage; Faulty ABS pump relay; Problems with the ABS control unit.
How do I fix a C05A7 diagnostic trouble code?
To fix C05A7: Check the voltage in the ABS pump power supply circuit. Inspect the wiring harness for damage. Check ABS pump relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05A7?
Limited driving only, diagnose soon
How much does it cost to fix C05A7?
The estimated repair cost for C05A7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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