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.
Affected components
- Turbocharger
- Boost switching valve
Common causes
- High likelihood: Solenoid winding open
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
Possible symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.