BMW DTC U011E – Lost Communication With Throttle Actuator ‘B’ Control Module
DTC U011E meaning on BMW
The DTC U011E code on a BMW indicates a communication error between the Engine Control Module (ECM) and the Throttle Actuator ‘B’ Control Module. This error suggests that the ECM is unable to establish communication with the throttle actuator control module, leading to potential issues with throttle response and engine performance.
BMW DTC U011E symptoms
Symptoms of the DTC U011E code on a BMW may include:
- Reduced engine power
- Unresponsive throttle
- Engine stalling
- Check Engine Light (CEL) illuminated
BMW DTC U011E causes
Common causes of the DTC U011E code on a BMW include:
- Faulty throttle actuator control module
- Wiring or connection issues between the ECM and throttle actuator control module
- ECM software or hardware malfunction
BMW DTC U011E seriousness
The DTC U011E code should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in reduced engine performance and could potentially lead to engine stalling while driving.
How to diagnose DTC U011E on BMW
To diagnose the DTC U011E code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM
- Inspect the wiring and connections between the ECM and throttle actuator control module for any damage or corrosion
- Test the throttle actuator control module for proper functionality
- Check for any software updates or reprogramming needed for the ECM
How to fix DTC U011E on BMW
To fix the DTC U011E code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections between the ECM and throttle actuator control module
- Replace the faulty throttle actuator control module if necessary
- Update or reprogram the ECM software as needed
How to erase DTC U011E on BMW
After addressing the underlying issue causing the DTC U011E code on a BMW, the code can be cleared using a diagnostic scanner. The mechanic can use the scanner to erase the fault codes stored in the ECM, resetting the system and turning 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.