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Home/DTC Codes/Audi/A6/2014-2014 3.0L Supercharged V6/P1425
P1425

Tank Vent Valve Short to Ground

2014-2014 Audi A6 3.0L Supercharged V6

Low SeverityPowertrain

The 2014 Audi A6 is equipped with a 3.0L V6 engine. Below you'll find detailed p1425 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

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

  1. Test vent valve resistance
  2. Inspect wiring for ground shorts
  3. Check connector for water intrusion
  4. Test ECU driver output

Repair Notes

Repair the wiring short to ground or replace the tank vent valve.

Related Codes

P0446EVAP Vent Control CircuitP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410EGR Valve Position Sensor CircuitP1410Tank Ventilation Valve Circuit Short to PositiveP1410EGR Valve Position Sensor CircuitP1410Tank Ventilation Valve Circuit Short to PositiveP1410Tank Ventilation Valve Circuit Short to PositiveP1410EGR Valve Position Sensor Circuit

Other Powertrain Codes

P1425 on Other Vehicles

Audi A3

1996-1996 1.6L I4

Audi A3

1996-1996 1.8L Turbo I4

Audi A3

1997-1997 1.6L I4

Audi A3

1997-1997 1.8L Turbo I4

Audi A3

1998-1998 1.6L I4

Audi A3

1998-1998 1.8L Turbo I4

Audi A3

1999-1999 1.6L I4

Audi A3

1999-1999 1.8L Turbo I4 Quattro

Common Questions

What does code P1425 mean on a 2014-2014 Audi A6?

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 A6?

Common symptoms of P1425 include: Check Engine Light, Fuel vapor odor, Failed emissions test.

What causes P1425 on a 2014-2014 Audi A6?

Common causes of P1425 include: Wiring shorted to ground, Faulty tank vent valve, Connector damage, Water intrusion at connector.

Last updated: March 2026

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