C05A8
ABS Pump Motor Supply Voltage B Circuit Range/Performance
C05A8 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Supply Voltage B Circuit Range/Performance. Common causes: faulty abs pump relay, blown fuse. Estimated repair cost: $56–167.
Symptoms
- The ABS indicator on the dashboard is on
- Reduced braking performance
- Unusual noises from the ABS unit
Causes
- Faulty ABS pump relay
- Blown fuse
- Wiring harness damage
- Low battery voltage
- ABS pump motor malfunction
How to Fix
- Check battery and generator voltage
- Inspect ABS pump fuses and relays
- Check the integrity of the wiring harness
- Test the ABS pump motor
- Replace faulty components
Related codes
Error C05A8 by Vehicle Brand
FAQ
What does the C05A8 code mean?
C05A8 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Supply Voltage B Circuit Range/Performance
What causes a C05A8 error code?
The most common causes of C05A8 include: Faulty ABS pump relay; Blown fuse; Wiring harness damage; Low battery voltage.
How do I fix a C05A8 diagnostic trouble code?
To fix C05A8: Check battery and generator voltage. Inspect ABS pump fuses and relays. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05A8?
Limited driving only, diagnose soon
How much does it cost to fix C05A8?
The estimated repair cost for C05A8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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