Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Exhaust gas recirculation temperature (EGRT) control, Bank 2 - range/performance problem
Cause:
    Exhaust leak/blockage, EGRT sensor

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    A/C Pressure Sensor Circuit Low Conditions
Cause:
    Engine running, then the PCM detected that the sensor voltage was less than its limit.

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Exhaust gas recirculation temperature (EGRT) control, range/ performance problem
Cause:
    Exhaust leak/blockage, EGRT sensor