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2004 AUDI S4
4.2L V8•AWD•AUTOMATIC•gas•BBK
1 active safety recall on this vehicle — view recalls
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Repairs0Labor497Torque3159Fluid10DTC956Battery1Maintenance0Recalls1
P2419low severityPowertrain

EVAP Switching Valve Control Circuit Low

on 2004 Audi S4 4.2L V8 · AWD

What this code means

Low signal on the EVAP system switching valve circuit.

Symptoms

  • Check engine light
  • EVAP test failure

Common causes

  • Valve circuit short to ground
  • Failed valve solenoid
  • Wiring damage

Diagnostic steps

  1. Check valve connector
  2. Measure solenoid resistance
  3. Check wiring

Repair notes

Replace valve or repair wiring.

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