Cold Start Turbocharger Boost Control B Performance
Cold Start Turbocharger Boost Control B Performance: the component is electrically intact but its response does not match the command. This affects turbo/supercharger boost-pressure control.
Affected components
- Turbocharger b
- Wastegate b
- Vgt actuator b
Common causes
- High likelihood: Actuator sticking when cold
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
Related codes
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.