BMW DTC U0134 – Lost Communication With Power Steering Control Module (Rear)
DTC U0134 meaning on BMW
The DTC U0134 code on a BMW indicates a communication error between the vehicle’s main control module and the power steering control module located at the rear of the vehicle. This error typically means that the main control module is unable to establish communication with the power steering control module, leading to potential issues with the power steering system.
BMW DTC U0134 symptoms
Symptoms of the DTC U0134 code on a BMW may include:
- Loss of power steering assistance
- Stiff or difficult steering
- Warning lights on the dashboard related to the power steering system
BMW DTC U0134 causes
The DTC U0134 code on a BMW can be caused by various factors, including:
- Faulty power steering control module
- Wiring or connection issues between the main control module and the power steering control module
- Power steering control module software malfunction
BMW DTC U0134 seriousness
The DTC U0134 code should be addressed promptly as it can lead to potential safety concerns due to the loss of power steering assistance. Driving with a malfunctioning power steering system can make steering more difficult and increase the risk of accidents.
How to diagnose DTC U0134 on BMW
To diagnose the DTC U0134 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific error codes and identify the communication issue
- Inspect the wiring and connections between the main control module and the power steering control module for any damage or loose connections
- Check the power steering control module for any signs of malfunction or software issues
How to fix DTC U0134 on BMW
To fix the DTC U0134 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections between the main control module and the power steering control module
- Replace the power steering control module if it is found to be faulty
- Update the software on the power steering control module if necessary
How to erase DTC U0134 on BMW
To erase the DTC U0134 code on a BMW, a mechanic can use a diagnostic scanner to clear the error code from the vehicle’s system. Once the underlying issue has been addressed and fixed, the code 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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.