Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle control - lean running speed below specification
Cause:
    Throttle control unit

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    A/C Evaporative Temp Sensor Circuit Low Input Conditions
Cause:
    Engine running, A/C Clutch on, and the PCM received an A/C Evaporator Temperature sensor input of under 2°F for 5 seconds

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Accelerator pedal position (APP) sensor 1 & 2 - short circuit
Cause:
    Wiring, throttle control unit, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle control - lean running speed below specification
Cause:
    Throttle control unit