P2419low severityPowertrain
EVAP Switching Valve Control Circuit Low
on 2007 Audi S6 5.2L V10 · 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
- Check valve connector
- Measure solenoid resistance
- Check wiring
Repair notes
Replace valve or repair wiring.
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