Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Malfunction indicator lamp (MIL) - open circuit
Cause:
    Instrumentation control module trouble code(s) stored, wiring open circuit, matching resistor in ECM

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Coolant Gauge Circuit Conditions
Cause:
    Key on, and then the PCM detected an open, short-to-ground or short-to-voltage condition in the Coolant Gauge Circuit

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Malfunction indicator lamp (MIL) - open circuit
Cause:
    Instrumentation control module trouble code(s) stored, wiring open circuit, matching resistor in ECM