Parking Assist Module Communication
2011-2011 Subaru Legacy 2.5L H4
The 2011 Subaru Legacy is equipped with a 2.5L flat-4 engine. Below you'll find detailed b2202 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Communication error between the parking assist module and other vehicle systems.
Symptoms
- Parking sensors completely inoperative
- No display output for parking assist
- Parking assist warning message
- System does not activate in reverse
Common Causes
- Parking assist module failure
- CAN bus wiring issue
- Module power supply fault
- Software corruption
Diagnostic Steps
- Check module power and ground
- Test CAN bus communication
- Scan module for internal codes
- Check for software updates
- Inspect module connector
Repair Notes
Replace parking assist module or repair CAN bus wiring.
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
B2202 on Other Vehicles
Common Questions
What does code B2202 mean on a 2011-2011 Subaru Legacy?
B2202 stands for "Parking Assist Module Communication". Communication error between the parking assist module and other vehicle systems.
What are the symptoms of B2202 on a Subaru Legacy?
Common symptoms of B2202 include: Parking sensors completely inoperative, No display output for parking assist, Parking assist warning message, System does not activate in reverse.
What causes B2202 on a 2011-2011 Subaru Legacy?
Common causes of B2202 include: Parking assist module failure, CAN bus wiring issue, Module power supply fault, Software corruption.
Last updated: March 2026