Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Closed throttle position (CTP) switch - does not open
Cause:
    Moisture ingress, wiring short to ground, CTP switch adjustment/defective, ECM

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle Air Control Overspeed Error Conditions
Cause:
    Engine running for 1 minute, then the PCM detected that the idle speed was more than the desired engine idle speed (Target Idle Speed).

Hyundai
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air control (IAC) valve - opening coil circuit - short circuit
Cause:
    Wiring, IAC valve

Jaguar
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air control (IAC) valve - RPM lower than expected
Cause:
    Wiring, intake system blocked, MAP sensor, IAC valve, fuel pressure, ECM

Kia
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air control (IAC) valve - opening coil signal high
Cause:
    Wiring short to positive, IAC valve, ECM

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Idle air control (IAC) system - overspeed error
Cause:
    Wiring, IAC valve, mechanical fault, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Closed throttle position (CTP) switch - does not open
Cause:
    Moisture ingress, wiring short to ground, CTP switch adjustment/defective, ECM