BMW DTC U112D – Lost Communication With Control Crash Cut-Off EKP (Electrical Fuel Pump)
DTC U112D meaning on BMW
DTC U112D on a BMW indicates a communication error between the vehicle’s control module and the crash cut-off electrical fuel pump (EKP). This error code signifies that the control module is unable to establish communication with the EKP, which is responsible for cutting off the fuel supply in the event of a crash to prevent potential hazards.
BMW DTC U112D symptoms
Symptoms of DTC U112D on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Engine stalling or difficulty starting
- Loss of power while driving
- Issues with fuel delivery
BMW DTC U112D causes
Common causes of DTC U112D on a BMW include:
- Faulty crash cut-off electrical fuel pump (EKP)
- Wiring or connection issues between the control module and the EKP
- Defective control module
BMW DTC U112D seriousness
The seriousness of DTC U112D on a BMW lies in the potential safety implications. Loss of communication with the crash cut-off EKP can compromise the vehicle’s ability to shut off the fuel supply in the event of a crash, increasing the risk of fire or other hazards. It is crucial to address this issue promptly to ensure the proper functioning of the safety systems.
How to diagnose DTC U112D on BMW
To diagnose DTC U112D on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s control module.
- Inspect the wiring and connections between the control module and the crash cut-off EKP for any damage or loose connections.
- Test the crash cut-off EKP to ensure it is functioning correctly.
- Check for any other related fault codes that may provide additional information on the issue.
How to fix DTC U112D on BMW
To fix DTC U112D on a BMW, you can try the following solutions:
- Replace the faulty crash cut-off electrical fuel pump (EKP) if it is determined to be the cause of the communication error.
- Repair or replace any damaged wiring or connections between the control module and the EKP.
- If the control module is found to be defective, it may need to be reprogrammed or replaced.
How to erase DTC U112D on BMW
To erase DTC U112D on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. After addressing the underlying issue that caused the error code, you can reset the system to remove the DTC U112D from the system and 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
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