Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Turbocharger (TC) wastegate regulating valve - open circuit/short to ground
Cause:
    Wiring open circuit/short to ground, TC wastegate regulating valve

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake Communication Control Circuit Conditions
Cause:
    Key on or engine running and the PCM detected a fault in the IMCC or ITV control circuit

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Turbocharger (TC) system - malfunction
Cause:
    Mechanical fault, hose(s), TC wastegate regulating valve

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Turbocharger (TC) wastegate regulating valve - open circuit/short to ground
Cause:
    Wiring open circuit/short to ground, TC wastegate regulating valve