BMW DTC U1134 – Lost Communication With Lamp Status
DTC U1134 meaning on BMW
DTC U1134 on a BMW indicates a communication error between the vehicle’s control module and the lamp status module. This error code signifies that the control module has lost communication with the lamp status module, which can affect the proper functioning of the vehicle’s lighting system.
BMW DTC U1134 symptoms
Symptoms of DTC U1134 on a BMW may include:
- Malfunctioning or non-responsive lights
- Dashboard warning lights related to lighting systems
- Inconsistent lighting behavior
BMW DTC U1134 causes
Common causes of DTC U1134 on a BMW include:
- Faulty lamp status module
- Wiring issues or loose connections
- Defective control module
BMW DTC U1134 seriousness
While DTC U1134 may not directly impact the drivability of the vehicle, it can compromise the safety of the vehicle by affecting the proper functioning of the lighting system. It is important to address this issue promptly to ensure optimal visibility and safety on the road.
How to diagnose DTC U1134 on BMW
To diagnose DTC U1134 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connections related to the lamp status module
- Check the functionality of the control module
How to fix DTC U1134 on BMW
To fix DTC U1134 on a BMW, the following steps may be taken:
- Repair or replace any faulty wiring or connections
- Replace the lamp status module if necessary
- Reset the control module to establish communication
How to erase DTC U1134 on BMW
To erase DTC U1134 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the issue has been addressed and fixed, the fault codes can be cleared to reset the system and ensure that the error code does not reappear.
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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