Powertrain
generic / SAE
P0246
Turbocharger/Supercharger Wastegate Solenoid "A" High
The ECU detected the wastegate control solenoid A circuit voltage below the lower threshold — typically open winding or short to ground. With the solenoid inactive, the wastegate either stays open (no boost) or fully closed (overboost), depending on system layout.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 46
Possible causes
- Solenoid circuit shorted to supply high
- ECU driver damaged low
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.3–2.5 h
- Component: wastegate solenoid
- Component: solenoid wiring
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012