Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid 1 - open circuit
Cause:
    Wiring open circuit, intake manifold air control solenoid

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake Manifold Runner Control Input Conditions
Cause:
    Key on or engine running, then the PCM detected that the IMRC Monitor signal was outside of its expected calibrated range.

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    TAC Module Throttle Actuator Position Performance
Cause:
    DTC P1518 not set, key in crank or run mode, system voltage over 5.23v, not in Battery Saver Mode, then the ETC or TAC module received a signal that the Actual and Commanded throttle positions were not within a calibrated range of each other, or that the PCM and ETC or TAC module could not determine throttle position, or that both TP signals were invalid, condition met for 1 second

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle position motor - position performance
Cause:
    Throttle valve tight/sticking, TP sensor, wiring, throttle control unit, ECM

Hyundai
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air control (IAC) valve - coil 2 - signal malfunction
Cause:
    Wiring, IAC valve

Isuzu
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle position motor - position performance
Cause:
    Throttle valve tight/sticking, TP sensor, wiring, throttle control unit, ECM

Jaguar
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Park/neutral position (PNP) switch - gear chance neutral/drive
Cause:
    Wiring, PNP switch

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Neutral position (NP) switch - circuit malfunction
Cause:
    Wiring, NP switch, ECM

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air (IAC) control valve circuit 4 - voltage low
Cause:
    Wiring, IAC valve, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid 1 - open circuit
Cause:
    Wiring open circuit, intake manifold air control solenoid