P1425
Tank Vent Valve Short to Ground
2008-2012 Audi A5 3.2L V6
Low SeverityPowertrain
Description
The ECU detected a short to ground in the tank vent valve circuit. This valve controls airflow into the EVAP canister and its malfunction affects fuel vapor management.
Symptoms
- Check Engine Light
- Fuel vapor odor
- Failed emissions test
Common Causes
- Wiring shorted to ground
- Faulty tank vent valve
- Connector damage
- Water intrusion at connector
Diagnostic Steps
- Test vent valve resistance
- Inspect wiring for ground shorts
- Check connector for water intrusion
- Test ECU driver output
Repair Notes
Repair the wiring short to ground or replace the tank vent valve.
Related Codes
P0446EVAP Vent Control CircuitP1410EGR Valve Position Sensor CircuitP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410EGR Valve Position Sensor CircuitP1410EGR Valve Position Sensor Circuit
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1425 on Other Vehicles
Common Questions
What does code P1425 mean on a 2008-2012 Audi A5?
P1425 stands for "Tank Vent Valve Short to Ground". The ECU detected a short to ground in the tank vent valve circuit. This valve controls airflow into the EVAP canister and its malfunction affects fuel vapor management.
What are the symptoms of P1425 on a Audi A5?
Common symptoms of P1425 include: Check Engine Light, Fuel vapor odor, Failed emissions test.
What causes P1425 on a 2008-2012 Audi A5?
Common causes of P1425 include: Wiring shorted to ground, Faulty tank vent valve, Connector damage, Water intrusion at connector.