Powertrain
generic / SAE
P2CD9
Turbocharger/Supercharger Boost Sensor D Circuit High
The ECM detects a circuit high fault on the turbocharger/supercharger boost sensor d circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / D9
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–350 €
- Estimated time: 0.3–2 h
- Component: turbo boost sensor d
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012