P2C7E
Turbocharger Turbine Inlet Valve Motor Driver Overtemperature
The output driver for the turbocharger turbine inlet valve motor reports junction temperature above the protection threshold.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Common causes
Ordered by how often each turns out to be the cause.
- Sustained high motor currentCommon
- Under-bonnet temperature too highPossible
Parts involved
- Turbo Turbine Inlet Valve
- Wiring Harness
- ECM
P2C7E is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.