C120A
ABS Pump Pressure Performance
C120A is an OBD-II diagnostic trouble code meaning: ABS Pump Pressure Performance. Common causes: abs pump malfunction, pump power problems. Estimated repair cost: $167–444.
Symptoms
- The ABS indicator on the dashboard is on
- Reduced braking performance
- Unusual noises from the ABS module
Causes
- ABS pump malfunction
- Pump power problems
- Leaks in the ABS hydraulic system
- ABS control module malfunction
How to Fix
- Check ABS pump fuses and relays
- Check voltage at ABS pump
- Inspect hydraulic lines for leaks
- Check the operation of the ABS pump using diagnostic equipment
- If necessary, replace the ABS pump or control module
Related codes
FAQ
What does the C120A code mean?
C120A is an OBD-II diagnostic trouble code that indicates: ABS Pump Pressure Performance
What causes a C120A error code?
The most common causes of C120A include: ABS pump malfunction; Pump power problems; Leaks in the ABS hydraulic system; ABS control module malfunction.
How do I fix a C120A diagnostic trouble code?
To fix C120A: Check ABS pump fuses and relays. Check voltage at ABS pump. Inspect hydraulic lines for leaks. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C120A?
Limited driving only, diagnose soon
How much does it cost to fix C120A?
The estimated repair cost for C120A is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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