BMW DTC P2112 – Throttle Actuator ‘A’ Control System – Stuck Closed
DTC P2112 meaning on BMW
The Diagnostic Trouble Code (DTC) P2112 for BMW refers to the Throttle Actuator ‘A’ Control System being stuck closed. This means that the throttle actuator, which controls the opening and closing of the throttle valve, is not functioning properly and is stuck in the closed position.
BMW DTC P2112 symptoms
Some common symptoms associated with the BMW DTC P2112 include:
- Reduced engine power
- Engine stalling or hesitation
- Difficulty accelerating
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P2112 causes
The BMW DTC P2112 can be caused by various factors, including:
- Throttle actuator failure
- Throttle body issues
- Wiring or connector problems
- Electronic control module (ECM) malfunction
BMW DTC P2112 seriousness
The BMW DTC P2112 is a serious issue that should be addressed promptly. Driving with a stuck closed throttle actuator can lead to unsafe driving conditions, reduced engine performance, and potential engine damage if left unresolved.
How to diagnose DTC P2112 on BMW
To diagnose the DTC P2112 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the throttle actuator and throttle body for any visible damage or obstructions
- Check the wiring and connectors for any signs of wear or corrosion
- Perform a throttle actuator test using diagnostic equipment
How to fix DTC P2112 on BMW
Fixing the BMW DTC P2112 typically involves the following steps:
- Replace the faulty throttle actuator or throttle body
- Repair or replace any damaged wiring or connectors
- Reset the Electronic Control Module (ECM) to clear the fault code
- Perform a throttle relearn procedure to recalibrate the system
How to erase DTC P2112 on BMW
To erase the DTC P2112 on a BMW, you can use a diagnostic scanner to clear the fault code from the Electronic Control Module (ECM). Once the issue has been fixed and the fault code erased, the Check Engine Light should turn off. It is important to ensure that the underlying problem causing the fault code has been resolved before clearing the code.
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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