BMW DTC U007E – Control Module Communication Bus ‘L’ Off
DTC U007E meaning on BMW
The DTC U007E for BMW indicates a fault with the Control Module Communication Bus ‘L’. This fault code is related to a communication issue between control modules on the vehicle’s network.
BMW DTC U007E symptoms
Symptoms of the DTC U007E on a BMW may include:
- Check Engine Light (MIL) illuminated
- Loss of communication with certain vehicle systems
- Erratic behavior of electronic components
BMW DTC U007E causes
Common causes of the DTC U007E on a BMW include:
- Faulty control module
- Wiring or connection issues in the communication bus ‘L’
- Software glitches
BMW DTC U007E seriousness
The DTC U007E is considered a moderate issue. While it may not directly affect the drivability of the vehicle, it can lead to malfunctions in various electronic systems and should be addressed to prevent further complications.
How to diagnose DTC U007E on BMW
To diagnose the DTC U007E on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the wiring and connections in the communication bus ‘L’
- Check for any software updates or reprogramming needed for the control modules
How to fix DTC U007E on BMW
To fix the DTC U007E on a BMW, the following steps may be taken:
- Repair or replace any faulty control modules
- Repair any damaged wiring or connections in the communication bus ‘L’
- Perform software updates or reprogramming as necessary
How to erase DTC U007E on BMW
To erase the DTC U007E on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue and making necessary repairs, the code can be reset to turn off the Check Engine Light.
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.