BMW DTC U0144 – Lost Communication With Body Control Module ‘D’
DTC U0144 meaning on BMW
DTC U0144 indicates a communication error between the Engine Control Module (ECM) and the Body Control Module ‘D’ in a BMW vehicle. This error means that the ECM is unable to establish communication with the Body Control Module ‘D’, which can lead to various issues related to controlling functions such as lighting, power windows, central locking, and other body-related systems.
BMW DTC U0144 symptoms
Symptoms of DTC U0144 in a BMW may include:
- Malfunctioning interior lights
- Problems with power windows
- Issues with central locking system
- Erratic behavior of exterior lights
- Warning lights on the dashboard
BMW DTC U0144 causes
The common causes of DTC U0144 in a BMW include:
- Faulty wiring or connectors between the ECM and Body Control Module ‘D’
- Defective Body Control Module ‘D’
- Software issues in either module
- Interference from other electronic components
BMW DTC U0144 seriousness
While DTC U0144 may not directly affect the drivability of the vehicle, it can lead to inconvenience and safety concerns due to the malfunctioning of essential body control systems. Ignoring this issue can result in further electrical problems and potential failures of critical functions.
How to diagnose DTC U0144 on BMW
To diagnose DTC U0144 on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connectors between the ECM and Body Control Module ‘D’
- Check for any software updates or reprogramming needed
- Perform a communication test between the modules
How to fix DTC U0144 on BMW
To fix DTC U0144 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors
- Replace the faulty Body Control Module ‘D’ if necessary
- Update the software in the modules to the latest version
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC U0144 on BMW
To erase DTC U0144 on a BMW, the fault codes can be cleared using a diagnostic scanner. After fixing the underlying issue causing the communication error, the codes can be reset, and the system can be rechecked to ensure the problem has been resolved successfully.
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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