BMW DTC U0128 – Lost Communication With Park Brake Control Module
DTC U0128 meaning on BMW
DTC U0128 on a BMW indicates a communication error between the vehicle’s control module and the Park Brake Control Module. This error code signifies that the control module is unable to establish communication with the Park Brake Control Module, which can lead to issues with the electronic parking brake system.
BMW DTC U0128 symptoms
Symptoms of DTC U0128 on a BMW may include:
- Electronic parking brake malfunction
- Warning lights on the dashboard related to the parking brake system
- Loss of functionality of the parking brake
BMW DTC U0128 causes
The possible causes of DTC U0128 on a BMW include:
- Faulty wiring or connections between the control module and the Park Brake Control Module
- Defective Park Brake Control Module
- Software issues within the control module
BMW DTC U0128 seriousness
DTC U0128 should be addressed promptly as it can affect the proper functioning of the electronic parking brake system. Ignoring this error code may lead to safety concerns and potential issues with the vehicle’s braking system.
How to diagnose DTC U0128 on BMW
To diagnose DTC U0128 on a BMW, a mechanic can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control module
- Inspect the wiring and connections between the control module and the Park Brake Control Module for any damage or corrosion
- Check the Park Brake Control Module for any signs of malfunction
- Verify the software version of the control module and update if necessary
How to fix DTC U0128 on BMW
To fix DTC U0128 on a BMW, the following steps can be taken:
- Repair or replace any damaged wiring or connections between the control module and the Park Brake Control Module
- Replace the Park Brake Control Module if it is found to be defective
- Update the software of the control module to the latest version
How to erase DTC U0128 on BMW
To erase DTC U0128 on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue causing the communication error, the fault codes can be cleared to reset the system and ensure that the error does not reoccur.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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