Powertrain
generic / SAE
P22CA
Turbocharger Compressor Outlet Switching Valve Control Circuit/Open
The drive circuit for the turbocharger compressor outlet switching valve is open. On twin-turbo or sequential boost setups, this valve routes the compressor outlet between low-pressure and high-pressure stages.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / CA
Possible causes
- Solenoid winding open high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.7–3 h
- Component: turbocharger
- Component: boost switching valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012