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

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    A/C Clutch Status Circuit Low Input Conditions
Cause:
    Key on or engine running, PCM commanded the A/C Clutch on, then the PCM did not detect any voltage on the A/C Clutch status circuit, condition met for more than 5 seconds

Isuzu
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    A/C compressor clutch relay - circuit malfunction
Cause:
    Wiring open circuit/short circuit to ground/ short circuit to positive, A/C compressor clutch relay, ECM

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