BMW DTC P2118 – Throttle Actuator ‘A’ Control Motor Current Range/Performance
DTC P2118 meaning on BMW
The Diagnostic Trouble Code (DTC) P2118 for BMW indicates an issue with the Throttle Actuator ‘A’ Control Motor Current Range/Performance. This means that the Engine Control Module (ECM) has detected that the current flowing through the throttle actuator motor is not within the expected range or is performing outside of the specified parameters.
BMW DTC P2118 symptoms
Symptoms of DTC P2118 on a BMW may include:
- Reduced engine power
- Engine stalling or hesitation
- Difficulty accelerating
- Illuminated Check Engine Light
BMW DTC P2118 causes
Common causes of DTC P2118 on a BMW include:
- Faulty throttle actuator motor
- Wiring or connector issues in the throttle actuator circuit
- Defective Engine Control Module (ECM)
- Throttle body issues
BMW DTC P2118 seriousness
The seriousness of DTC P2118 on a BMW should not be ignored, as it can lead to drivability issues and potential safety concerns. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P2118 on BMW
To diagnose DTC P2118 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and data related to the throttle actuator.
- Inspect the throttle actuator motor and its wiring for any visible damage or corrosion.
- Check the throttle body for any obstructions or malfunctions.
- Test the throttle actuator motor’s current range using a multimeter to determine if it falls within the specified parameters.
How to fix DTC P2118 on BMW
To fix DTC P2118 on a BMW, you can try the following solutions:
- Replace the faulty throttle actuator motor if it is determined to be the cause of the issue.
- Repair or replace any damaged wiring or connectors in the throttle actuator circuit.
- If the ECM is found to be defective, consider reprogramming or replacing it.
- Clean or replace the throttle body if necessary.
How to erase DTC P2118 on BMW
To erase DTC P2118 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. After addressing the underlying issue that caused the fault code, you can reset the ECM to remove the DTC P2118 from the system.
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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