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

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

Hyundai
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Transmission control module (TCM) MIL request circuit - circuit malfunction
Cause:
    Wiring, TCM, ECM

Kia
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    MIL - circuit malfunction
Cause:
    Wiring, MIL, ECM, TCM

Toyota
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Variable valve timing - malfunction
Cause:
    Wiring, valve timing sensor, ECM

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