B1011low severityBody
TPMS Receiver Antenna Circuit
on 2017 Subaru Legacy 3.6L H6 · AWD
What this code means
Malfunction in the TPMS receiver antenna circuit. The antenna receives low-power RF signals from wheel-mounted sensors.
Symptoms
- All TPMS sensors not reading
- TPMS system fault
- Receiver module reports no sensor signals
Common causes
- Damaged TPMS antenna
- Antenna cable disconnected
- Antenna corroded
- Aftermarket modification covering antenna
Diagnostic steps
- Inspect antenna location and condition
- Check antenna cable connection
- Test antenna circuit
- Look for aftermarket modifications near antenna
Repair notes
Replace TPMS antenna or reconnect cable.
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
B0009
Rear Center Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment