BMW DTC P271C – Park Pawl Position Sensor ‘B’ Circuit Low
DTC P271C meaning on BMW
DTC P271C indicates a fault with the Park Pawl Position Sensor ‘B’ circuit on a BMW vehicle. The Park Pawl Position Sensor ‘B’ is responsible for detecting the position of the park pawl in the transmission. When the sensor detects a low voltage signal, it triggers this diagnostic trouble code.
BMW DTC P271C symptoms
Symptoms of DTC P271C on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Vehicle may not start or move out of park
BMW DTC P271C causes
Common causes of DTC P271C on a BMW include:
- Faulty Park Pawl Position Sensor ‘B’
- Wiring or connector issues in the sensor circuit
- Corrosion or poor connections in the sensor circuit
BMW DTC P271C seriousness
DTC P271C should be addressed promptly as it can lead to transmission-related issues and affect the drivability of the vehicle. Ignoring this fault may result in further damage to the transmission system.
How to diagnose DTC P271C on BMW
To diagnose DTC P271C on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code and related data.
- Inspect the Park Pawl Position Sensor ‘B’ and its wiring for any visible damage or corrosion.
- Test the sensor’s voltage and resistance to ensure it is functioning correctly.
- Check for any loose or damaged connections in the sensor circuit.
How to fix DTC P271C on BMW
To fix DTC P271C on a BMW, consider the following:
- Replace the faulty Park Pawl Position Sensor ‘B’ if it is found to be defective.
- Repair or replace any damaged wiring or connectors in the sensor circuit.
- Clean any corrosion in the sensor circuit and ensure proper connections.
How to erase DTC P271C on BMW
To erase DTC P271C on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, clearing it from the system will reset the Check Engine Light and ensure proper operation.
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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