Power Liftgate Pinch Sensor Circuit
2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48
Description
Malfunction in the power liftgate anti-pinch sensor. This safety sensor stops liftgate movement when an obstruction is detected.
Symptoms
- Liftgate reverses immediately when closing
- Liftgate will not close
- Anti-pinch system fault warning
- Power liftgate disabled
Common Causes
- Faulty pinch sensor strip
- Sensor wiring damage
- Sensor contaminated with dirt
- Sensor strip out of position
- Control module fault
Diagnostic Steps
- Clean pinch sensor strip
- Inspect sensor strip positioning
- Test sensor circuit
- Check wiring
- Recalibrate anti-pinch system
Repair Notes
Replace or reposition anti-pinch sensor strip. Clean debris from sensor area.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B2701 on Other Vehicles
Common Questions
What does code B2701 mean on a 2019-2024 BMW 3 Series G20?
B2701 stands for "Power Liftgate Pinch Sensor Circuit". Malfunction in the power liftgate anti-pinch sensor. This safety sensor stops liftgate movement when an obstruction is detected.
What are the symptoms of B2701 on a BMW 3 Series G20?
Common symptoms of B2701 include: Liftgate reverses immediately when closing, Liftgate will not close, Anti-pinch system fault warning, Power liftgate disabled.
What causes B2701 on a 2019-2024 BMW 3 Series G20?
Common causes of B2701 include: Faulty pinch sensor strip, Sensor wiring damage, Sensor contaminated with dirt, Sensor strip out of position, Control module fault.