U0128
Lost Communication With Park Brake Control Module
U0128 is an OBD-II diagnostic trouble code meaning: Lost Communication With Park Brake Control Module. Common causes: open or short circuit in the module power supply circuit, damage to the wiring harness to the module. Estimated repair cost: $56–167.
Symptoms
- The malfunction indicator on the dashboard is on
- Electronic parking brake does not work
- Other related errors appear
- Problems with hill start assist systems
- Automatic parking brake functions do not work
Causes
- Open or short circuit in the module power supply circuit
- Damage to the wiring harness to the module
- Parking brake control module malfunction
- Connector problems or contact corrosion
- Software failures in the ECU
How to Fix
- Check fuses and relays associated with the system
- Inspect the wiring harness and connectors for damage.
- Check power and ground to parking brake module
- Scan the module for additional errors
- If necessary, replace the parking brake control module
Related codes
Error U0128 by Vehicle Brand
FAQ
What does the U0128 code mean?
U0128 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Park Brake Control Module
What causes a U0128 error code?
The most common causes of U0128 include: Open or short circuit in the module power supply circuit; Damage to the wiring harness to the module; Parking brake control module malfunction; Connector problems or contact corrosion.
How do I fix a U0128 diagnostic trouble code?
To fix U0128: Check fuses and relays associated with the system. Inspect the wiring harness and connectors for damage.. Check power and ground to parking brake module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0128?
Limited driving only, diagnose soon
How much does it cost to fix U0128?
The estimated repair cost for U0128 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat