BMW DTC U0135 – Lost Communication With Differential Control Module (Front)
DTC U0135 meaning on BMW
DTC U0135 on a BMW indicates a communication error between the vehicle’s control module and the Differential Control Module (Front). This error code signifies that the control module is unable to establish communication with the front differential module, leading to potential issues in the vehicle’s drivetrain system.
BMW DTC U0135 symptoms
Symptoms of DTC U0135 on a BMW may include:
- Warning lights on the dashboard, such as the traction control or ABS light
- Loss of traction control functionality
- Unusual noises coming from the front differential
- Decreased drivability or handling
BMW DTC U0135 causes
Common causes of DTC U0135 on a BMW include:
- Faulty wiring or connectors between the control module and front differential module
- Defective front differential control module
- Interference from other electronic components
BMW DTC U0135 seriousness
The seriousness of DTC U0135 on a BMW depends on the extent of the communication loss between the control module and the front differential module. Ignoring this issue can lead to potential drivetrain problems and compromise the vehicle’s overall performance and safety.
How to diagnose DTC U0135 on BMW
To diagnose DTC U0135 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control module
- Inspect the wiring and connectors between the control module and front differential module for any damage or corrosion
- Check the front differential control module for any signs of malfunction
- Perform a communication test between the modules to identify the source of the issue
How to fix DTC U0135 on BMW
To fix DTC U0135 on a BMW, consider the following solutions:
- Repair or replace any damaged wiring or connectors between the control module and front differential module
- Replace the front differential control module if it is found to be faulty
- Ensure proper communication between the modules by resetting or reprogramming them
How to erase DTC U0135 on BMW
To erase DTC U0135 on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. After fixing the underlying issue causing the communication error, perform a system reset to ensure the error code is successfully erased from the system.
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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