BMW DTC U0246 – Lost Communication With Seat Control Module ‘E’
DTC U0246 meaning on BMW
The DTC U0246 code on a BMW indicates a communication error between the vehicle’s control module and the seat control module ‘E’. This error typically means that the control module is not receiving the necessary data or signals from the seat control module ‘E’, leading to potential issues with the operation of the seat controls.
BMW DTC U0246 symptoms
Symptoms of the DTC U0246 code on a BMW may include malfunctioning seat controls, such as the inability to adjust the seat position, seat heating or cooling functions not working properly, or other related seat adjustment issues. Additionally, warning lights on the dashboard may illuminate to indicate a problem with the seat control system.
BMW DTC U0246 causes
The DTC U0246 code on a BMW is commonly caused by a faulty seat control module ‘E’, damaged wiring or connectors between the control module and the seat module, or a communication breakdown within the vehicle’s network system. Environmental factors, such as moisture or corrosion, can also contribute to this communication error.
BMW DTC U0246 seriousness
While the DTC U0246 code may not directly affect the drivability of the vehicle, it can impact the comfort and convenience features related to the seat controls. Ignoring this issue may lead to further malfunctions in the seat adjustment system, potentially causing discomfort or safety concerns for the driver and passengers.
How to diagnose DTC U0246 on BMW
To diagnose the DTC U0246 code on a BMW, a diagnostic scan tool capable of reading fault codes and live data is required. The technician should inspect the wiring and connectors associated with the seat control module ‘E’ for any visible damage or corrosion. Additionally, testing the communication signals between the control modules using a multimeter or oscilloscope can help pinpoint the source of the communication error.
How to fix DTC U0246 on BMW
Fixing the DTC U0246 code on a BMW involves addressing the root cause of the communication error. This may include replacing the faulty seat control module ‘E’, repairing or replacing damaged wiring and connectors, or reprogramming the control modules to establish proper communication. Once the issue is resolved, clearing the fault codes and performing a system reset can help ensure the error does not reoccur.
How to erase DTC U0246 on BMW
To erase the DTC U0246 code on a BMW, a diagnostic scan tool with the capability to clear fault codes is needed. After addressing the underlying cause of the communication error and making the necessary repairs, the technician can use the scan tool to clear the fault code from the vehicle’s memory. This step should be followed by a test drive to confirm that the issue has been successfully resolved.
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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