BMW DTC P0221 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Range/Performance
DTC P0221 meaning on BMW
The Diagnostic Trouble Code (DTC) P0221 for BMW refers to an issue with the Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Range/Performance. This code indicates that the signal from the throttle or pedal position sensor is outside the expected range or is not performing as intended.
BMW DTC P0221 symptoms
Symptoms of DTC P0221 on a BMW may include:
- Reduced engine power
- Difficulty accelerating
- Engine stalling
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0221 causes
Common causes of DTC P0221 on a BMW include:
- Faulty throttle or pedal position sensor
- Wiring or connector issues in the sensor circuit
- Electronic control module (ECM) software concerns
BMW DTC P0221 seriousness
DTC P0221 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in further damage to the vehicle and compromise its performance.
How to diagnose DTC P0221 on BMW
To diagnose DTC P0221 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data
- Inspect the throttle and pedal position sensors for any visible damage or wear
- Check the wiring and connectors for any signs of corrosion or disconnection
- Test the sensor’s output voltage and resistance to ensure they are within specifications
How to fix DTC P0221 on BMW
To fix DTC P0221 on a BMW, you can try the following solutions:
- Replace the faulty throttle or pedal position sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Update the ECM software to the latest version
How to erase DTC P0221 on BMW
To erase DTC P0221 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM memory. Once the codes are cleared, you can drive the vehicle and monitor for any recurrence of the issue.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.