Turbocharger Bypass Valve Control Circuit High
The bypass valve solenoid control circuit reports a voltage above threshold, indicating a short to power or open circuit. Boost control is disabled while the fault is active.
Affected components
- Turbocharger bypass valve
- Wastegate solenoid
- Wiring harness
Common causes
- High likelihood: Signal wire shorted to battery voltage
- Medium likelihood: Open circuit in wiring or solenoid
- Low likelihood: Connector pins corroded - high contact resistance
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
- A drive cycle may be required after repair
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.