B0620low severityBody
Interior Temperature Sensor Circuit
on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
Malfunction in the interior (in-car) temperature sensor used by the automatic climate control system.
Symptoms
- Climate control not maintaining set temperature
- Auto mode blowing wrong temperature
- Temperature fluctuates wildly
- Aspirator fan not running
Common causes
- Faulty in-car temperature sensor
- Aspirator tube blocked or disconnected
- Sensor wiring issue
- Aspirator fan motor failure
Diagnostic steps
- Check in-car sensor reading on climate display
- Inspect aspirator tube for blockage
- Test sensor resistance
- Listen for aspirator fan running
- Compare sensor reading to actual cabin temp
Repair notes
Replace in-car temperature sensor or clear aspirator tube blockage.
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