Ambient Air Temperature Sensor Circuit A High
Ambient air temperature sensor A signal voltage above the expected range — typically open circuit (broken wire or sensor) or short to power.
Affected components
- Ambient air temp sensor
- Sensor wiring
Common causes
- High likelihood: Signal wire open
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.