BMW DTC U1152 – Message Monitoring Throttle Actuator Alive Check (Bank 2)
DTC U1152 meaning on BMW
DTC U1152 on a BMW refers to the Message Monitoring Throttle Actuator Alive Check for Bank 2. This diagnostic trouble code indicates that there is an issue with the communication between the engine control module (ECM) and the throttle actuator in Bank 2 of the vehicle.
BMW DTC U1152 symptoms
Symptoms of DTC U1152 on a BMW may include:
- Engine hesitation or lack of response
- Reduced engine power
- Check Engine Light (CEL) illuminated on the dashboard
- Difficulty accelerating
BMW DTC U1152 causes
Common causes of DTC U1152 on a BMW include:
- Faulty throttle actuator in Bank 2
- Wiring or connection issues between the ECM and throttle actuator
- ECM software or hardware malfunction
BMW DTC U1152 seriousness
DTC U1152 should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this code may result in further complications and increased repair costs.
How to diagnose DTC U1152 on BMW
To diagnose DTC U1152 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 in Bank 2
- Test the throttle actuator for proper operation
- Check for any software updates or recalibrations needed for the ECM
How to fix DTC U1152 on BMW
To fix DTC U1152 on a BMW, the following steps may be taken:
- Replace the faulty throttle actuator in Bank 2
- Repair any damaged wiring or connections between the ECM and throttle actuator
- Update the ECM software if necessary
- Perform a throttle actuator adaptation or calibration procedure
How to erase DTC U1152 on BMW
After addressing the underlying issue causing DTC U1152 on a BMW, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow for a fresh monitoring cycle to ensure the problem has been resolved.