Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake air temperature (IAT) sensor - open circuit/short to positive
Cause:
    Wiring open circuit/short to positive, IAT sensor

BMW
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Engine oil temperature (EOT) sensor - range/performance problem
Cause:
    Wiring, connector, EOT sensor, ECM

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    HO2S Heater Control Circuit Conditions
Cause:
    Engine running, system voltage over 9v, HO2S-22 heater enabled, then the PCM detected a short to ground, an open circuit or a short to power in the HO2S-22 heater control circuit

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake air temperature (IAT) sensor - open circuit/short to positive
Cause:
    Wiring open circuit/short to positive, IAT sensor