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2008 AUDI RS4

4.2L V8AWDAUTOMATICgas
Repairs0Labor593Torque3494Fluid9DTC866Battery0Maintenance0Recalls0
P1410low severityPowertrain

Tank Ventilation Valve Circuit Short to Positive

on 2008 Audi RS4 4.2L V8 · AWD

What this code means

The ECU detected a short to positive voltage in the EVAP tank ventilation valve (purge valve) circuit. The purge valve cannot be properly controlled, affecting evaporative emission system operation.

Symptoms

  • Check Engine Light
  • Fuel odor near vehicle
  • Failed emissions test

Common causes

  • Wiring short to battery voltage
  • Faulty purge valve solenoid
  • Damaged connector
  • Wiring harness chafe near power source

Diagnostic steps

  1. Test purge valve solenoid resistance
  2. Inspect wiring for shorts to power
  3. Check connector condition
  4. Verify voltage at purge valve with key on engine off

Repair notes

Repair the wiring short or replace the purge valve.

Other Powertrain codes on this vehicle

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