Turbocharger/Supercharger Boost Control A Position Exceeded Learning Limit
Turbocharger/Supercharger Boost Control A Position Exceeded Learning Limit: the control module has detected this fault condition. This affects turbo/supercharger boost-pressure control.
Affected components
- Wastegate actuator
- Turbocharger
- Position sensor
Common causes
- High likelihood: Wastegate actuator worn or sticking
- Medium likelihood: Linkage rod stretched or loose
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
- Reduced-power or limp mode may occur
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.