Alternative Fuel Tank B Pressure Sensor Circuit
The AFCM detects a generic fault on the pressure sensor of alternative fuel tank B. Tank pressure cannot be monitored reliably.
Affected components
- Alt fuel tank b pressure sensor
- Wiring harness
- Afcm
Common causes
- High likelihood: Pressure sensor failed
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
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.