U0128

Lost Communication With Park Brake Control Module

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

U0121 U0126 U0129