B2202low severityBody
Parking Assist Module Communication
on 2005 Toyota 4Runner 4.0L V6 · RWD
What this code means
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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open