C028A
Hand Brake Motor Circuit
C028A is an OBD-II diagnostic trouble code meaning: Hand Brake Motor Circuit. Common causes: parking brake motor malfunction, open or short circuit in the electric motor wiring. Estimated repair cost: $44–333.
Symptoms
- Parking brake does not engage or release
- The parking brake warning light is on with a fault indication
- Parking brake locked in one position
- EPB error message appears on the display
- Extraneous sounds from rear brakes
Causes
- Parking brake motor malfunction
- Open or short circuit in the electric motor wiring
- Oxidation or damage to the engine connector
- Mechanical wear or jamming of the drive
- Parking brake control module malfunction
How to Fix
- Read error codes and check EPB system data with a diagnostic scanner
- Check the supply voltage at the parking brake motor connector
- Measure the motor winding resistance
- Inspect wiring and connectors for damage
- Check the mechanical performance of the drive (no jamming)
- Replace the electric motor or repair the wiring
- After repair, perform EPB calibration via diagnostic scanner
Related codes
Error C028A by Vehicle Brand
FAQ
What does the C028A code mean?
C028A is an OBD-II diagnostic trouble code that indicates: Hand Brake Motor Circuit
What causes a C028A error code?
The most common causes of C028A include: Parking brake motor malfunction; Open or short circuit in the electric motor wiring; Oxidation or damage to the engine connector; Mechanical wear or jamming of the drive.
How do I fix a C028A diagnostic trouble code?
To fix C028A: Read error codes and check EPB system data with a diagnostic scanner. Check the supply voltage at the parking brake motor connector. Measure the motor winding resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C028A?
Yes, but get it checked soon
How much does it cost to fix C028A?
The estimated repair cost for C028A is $44–333. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat