P2A65 — Alternative Fuel Tank C Level Sensor Range/Performance
The level signal of alternative fuel tank C does not match plausibility checks against consumption and refuel events. Float stuck or capacitive sensor drift.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Alt fuel tank c level sensor
- Wiring harness
- Afcm
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Float stuck on guide rod
- Sensor characteristic drifted
- Sensor element aged beyond calibration window
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
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.