Turbocharger Interstage Pressure Sensor A Circuit
The ECM detects a circuit fault on the turbocharger interstage pressure sensor a circuit. Reading cannot be used reliably for control.
Affected components
- Turbo interstage pressure sensor a
- Wiring harness
- Ecm
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Wiring or connector fault
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
- Reduced-power or limp mode may occur
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.