Rear Parking Sensor Circuit
2000-2012 Mitsubishi Eclipse 2.4L I4 🇷🇺
Description
Malfunction in the rear parking/proximity sensor system.
Symptoms
- Rear parking sensors not working
- Constant false alarm beeping when reversing
- Parking display shows error
- Sensor reads incorrectly
Common Causes
- Faulty ultrasonic sensor
- Sensor obstructed by dirt or snow
- Wiring damage from trailer hitch installation
- Module failure
- Bumper replacement with incorrect sensor gaps
Diagnostic Steps
- Clean rear sensors thoroughly
- Test each sensor with scan tool
- Inspect wiring (especially if trailer hitch installed)
- Check sensor seating in bumper
- Test parking assist module
Repair Notes
Replace faulty sensor. Clean sensors. Check for wiring damage from aftermarket trailer hitch.
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B2201 on Other Vehicles
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Eclipse
2000-2005 2.4L I4
Mitsubishi Eclipse
2000-2005 3.0L V6
Mitsubishi Eclipse
2006-2012 2.4L I4
Mitsubishi Eclipse
2006-2012 3.8L V6
Mitsubishi Eclipse Cross
2018-2024 1.5L I4 Turbo
Common Questions
What does code B2201 mean on a 2000-2012 Mitsubishi Eclipse?
B2201 stands for "Rear Parking Sensor Circuit". Malfunction in the rear parking/proximity sensor system.
What are the symptoms of B2201 on a Mitsubishi Eclipse?
Common symptoms of B2201 include: Rear parking sensors not working, Constant false alarm beeping when reversing, Parking display shows error, Sensor reads incorrectly.
What causes B2201 on a 2000-2012 Mitsubishi Eclipse?
Common causes of B2201 include: Faulty ultrasonic sensor, Sensor obstructed by dirt or snow, Wiring damage from trailer hitch installation, Module failure, Bumper replacement with incorrect sensor gaps.