Turbocharger/Supercharger A Temperature Sensor Range/Performance
The ECM detects a range/performance fault on the turbocharger/supercharger a temperature sensor. Reading cannot be used reliably for control.
Affected components
- Turbocharger a temperature sensor
- Wiring harness
- Ecm
Common causes
- High likelihood: Sensor characteristic drifted
- Medium likelihood: Sensor mounting displaced
- Low likelihood: Sensor element aged beyond calibration window
Possible symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
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.