Ambient Air Temperature Sensor Circuit A Low
Ambient air temperature sensor A signal voltage below the expected range — typically a short to ground.
Affected components
- Ambient air temp sensor
- Sensor wiring
Common causes
- High likelihood: Signal wire shorted to ground
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.