BMW DTC P2141 – EGR Throttle Control Circuit ‘A’ Low
DTC P2141 meaning on BMW
DTC P2141 on a BMW indicates a fault in the EGR (Exhaust Gas Recirculation) Throttle Control Circuit ‘A’, specifically signaling a low voltage condition. This fault code is typically triggered when the Engine Control Module (ECM) detects that the voltage in the EGR throttle control circuit is below the specified range.
BMW DTC P2141 symptoms
Symptoms associated with DTC P2141 on a BMW may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced engine performance
- Engine stalling or rough idling
- Increased fuel consumption
BMW DTC P2141 causes
The common causes of DTC P2141 on a BMW include:
- Faulty EGR throttle control circuit ‘A’
- Wiring issues such as shorts or open circuits in the EGR system
- Defective EGR throttle control actuator
- Issues with the Engine Control Module (ECM)
BMW DTC P2141 seriousness
While DTC P2141 may not always result in immediate drivability issues, it is important to address this fault code promptly to prevent potential engine performance problems and to ensure emissions compliance.
How to diagnose DTC P2141 on BMW
To diagnose DTC P2141 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the EGR throttle control circuit ‘A’ for any visible damage or loose connections
- Test the EGR throttle control actuator for proper operation
- Check the wiring harness for continuity and shorts
- Verify the ECM functionality and communication with the EGR system
How to fix DTC P2141 on BMW
To fix DTC P2141 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring in the EGR throttle control circuit
- Replace the EGR throttle control actuator if found to be faulty
- Reset the fault codes and perform a test drive to verify the repair
How to erase DTC P2141 on BMW
To erase DTC P2141 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After the repair has been completed, it is important to reset the fault code and ensure that the issue has been resolved before driving the vehicle.
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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