BMW DTC U0544 – Invalid Data Received From Parking Assist Control Module ‘B’
DTC U0544 meaning on BMW
DTC U0544 on a BMW indicates that the Engine Control Module (ECM) has detected invalid data from the Parking Assist Control Module ‘B’. This means that there is a communication error between the ECM and the Parking Assist Control Module ‘B’, leading to the ECM receiving data that it cannot interpret or use.
BMW DTC U0544 symptoms
Symptoms of DTC U0544 on a BMW may include:
- Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
- Parking assist system not functioning properly
- Error messages related to parking assist system displayed on the instrument cluster
BMW DTC U0544 causes
The common causes of DTC U0544 on a BMW include:
- Faulty Parking Assist Control Module ‘B’
- Wiring or connection issues between the ECM and Parking Assist Control Module ‘B’
- Software issues in the Parking Assist Control Module ‘B’
BMW DTC U0544 seriousness
While DTC U0544 may not directly affect the drivability of the vehicle, it can impact the functionality of the parking assist system. Ignoring this fault may result in inconvenience and potential safety issues when parking the vehicle.
How to diagnose DTC U0544 on BMW
To diagnose DTC U0544 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scan tool to retrieve the fault codes stored in the ECM
- Inspect the wiring and connections between the ECM and Parking Assist Control Module ‘B’ for any damage or corrosion
- Check the Parking Assist Control Module ‘B’ for proper operation and software updates
How to fix DTC U0544 on BMW
To fix DTC U0544 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections between the ECM and Parking Assist Control Module ‘B’
- Update the software in the Parking Assist Control Module ‘B’ if necessary
- If the Parking Assist Control Module ‘B’ is faulty, replace it with a new or properly functioning unit
How to erase DTC U0544 on BMW
To erase DTC U0544 on a BMW, the fault codes can be cleared using a diagnostic scan tool. After the necessary repairs have been made and the issue resolved, the mechanic can clear the fault codes from the ECM memory, which should turn off the MIL or check engine light on the dashboard.
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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