B1005low severityBody
TPMS Sensor Signal Intermittent - Left Front
on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
The left front TPMS sensor signal is intermittent, causing sporadic pressure readings.
Symptoms
- TPMS light comes on and off
- Pressure reading intermittent
- Occasional TPMS fault flash
Common causes
- Weak sensor battery
- RF interference
- Sensor antenna issue
- Receiver sensitivity low
- Metal valve stem corroding sensor antenna
Diagnostic steps
- Monitor sensor signal strength
- Check for RF interference sources
- Inspect sensor and valve stem
- Test with TPMS trigger tool
- Check receiver antenna
Repair notes
Replace sensor if battery is weak. Check for interference from aftermarket electronics.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0005
Driver Knee Airbag Deployment Circuit