Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Secondary air injection (AIR) valve/solenoid - short to ground
Cause:
    Wiring short to ground, AIR valve/ solenoid

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Exhaust gas recirculation (EGR) system - voltage high
Cause:
    Wiring open/short to positive, EGR solenoid, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Secondary air injection (AIR) valve/ solenoid - short to ground
Cause:
    Wiring short to ground, AIR valve/solenoid