DTC P1426 Audi

Tank Ventilation Valve Open

Tank Ventilation Valve Open

Description

Ignition off. The Evaporative Emission (EVAP) canister purge regulator valve in the tank venting system or activation wire has a short circuit to ground. Engine started, engine running at a steady cruise speed, canister vent solenoid enabled, and the ECM detected an unexpected voltage condition on the Canister Vent solenoid circuit.

Cause and Solution

Activation wire has a short to ground
ECM has failed
EVAP canister has failed
EVAP canister system has an improper or broken seal
Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty

Video Guide

Duration: PT4M17S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1426
  • Brand: Audi
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