Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Engine coolant thermostat - short to ground
Cause:
    Wiring short to ground, engine coolant thermostat

Chrysler
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Target Idle Speed Not Reached Conditions
Cause:
    No PCM codes set, engine idling, then the PCM detected that the idle speed was not within a specified amount of the target idle speed (condition met for 2.96 ms).

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Engine coolant thermostat - short to ground
Cause:
    Wiring short to ground, engine coolant thermostat