BMW DTC U0248 – Lost Communication with Remote Accessory Module
DTC U0248 meaning on BMW
DTC U0248 on a BMW indicates a ¨Lost Communication with Remote Accessory Module¨ fault. This diagnostic trouble code (DTC) is triggered when the vehicle’s control module is unable to communicate with the remote accessory module, which can affect the operation of various vehicle systems.
BMW DTC U0248 symptoms
Symptoms of a DTC U0248 on a BMW may include:
- Loss of functionality of remote accessories
- Issues with keyless entry system
- Problems with remote start function
- Warning lights on the dashboard
BMW DTC U0248 causes
Common causes of a DTC U0248 on a BMW include:
- Faulty remote accessory module
- Wiring or connection issues between control module and remote accessory module
- Software glitches
BMW DTC U0248 seriousness
While a DTC U0248 may not directly affect the drivability of the vehicle, it can lead to inconvenience and potential issues with remote functionality. It is recommended to address this issue to ensure proper operation of the affected systems.
How to diagnose DTC U0248 on BMW
To diagnose a DTC U0248 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scan tool to retrieve the fault code
- Inspect the wiring and connections between the control module and remote accessory module
- Check for any software updates or reprogramming needed
- Test the remote accessory module for proper functionality
How to fix DTC U0248 on BMW
To fix a DTC U0248 on a BMW, the following steps may be taken:
- Repair or replace any faulty wiring or connections
- Replace the remote accessory module if necessary
- Perform any software updates or reprogramming recommended by the manufacturer
How to erase DTC U0248 on BMW
To erase a DTC U0248 on a BMW, a mechanic can use a diagnostic scan tool to clear the fault code after the underlying issue has been addressed and fixed. This will reset the system and turn off the warning 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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.