Fuel Temperature Sensor A Circuit Malfunction
The ECU detects an electrical fault in the fuel temperature sensor A circuit. Fuel temperature input is missing or out of plausible range — typical for sensor failure or wiring open/short.
Affected components
- Fuel temperature sensor a
- Sensor wiring
Common causes
- High likelihood: Fuel temperature sensor failed
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
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.