BMW DTC P0229 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit Intermittent
DTC P0229 meaning on BMW
The Diagnostic Trouble Code (DTC) P0229 for BMW refers to an issue with the Throttle/Pedal Position Sensor/Switch ‘C’ Circuit being intermittent. This means that there is a problem with the signal coming from the sensor or switch that monitors the position of the throttle pedal in the vehicle.
BMW DTC P0229 symptoms
Symptoms of DTC P0229 on a BMW may include:
- Reduced engine power
- Engine stalling or hesitation
- Difficulty accelerating
- Illuminated Check Engine Light
BMW DTC P0229 causes
The potential causes of DTC P0229 on a BMW can include:
- Faulty throttle position sensor
- Wiring or connector issues in the throttle position sensor circuit
- Intermittent electrical connection problems
- Electronic control module (ECM) issues
BMW DTC P0229 seriousness
DTC P0229 should be taken seriously as it can lead to drivability issues and potential safety concerns if the throttle position sensor is not functioning correctly. It is recommended to address this issue promptly to avoid further complications.
How to diagnose DTC P0229 on BMW
To diagnose DTC P0229 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the throttle position sensor and its wiring for any visible damage or corrosion
- Test the sensor’s output signal using a multimeter
- Check for any loose or damaged connections in the sensor circuit
How to fix DTC P0229 on BMW
To fix DTC P0229 on a BMW, the following steps may be taken:
- Replace the faulty throttle position sensor if it is determined to be the cause
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Clear the fault code and perform a test drive to ensure the issue has been resolved
How to erase DTC P0229 on BMW
To erase DTC P0229 on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed and the issue resolved, the code can be cleared to reset the Check Engine Light and ensure that the vehicle’s ECM no longer detects the fault.
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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