Possible causes – Air leakage or restriction in intake or exhaust system– Dirty engine oil or oil level too high– Front HO2S or MAFS contamination– Fuel system– EVAP system– Faulty sensor signals Symptoms – Engine Light ON (or Service Engine

Possible causes – Check for transmission codes. Tech notes The code means that there is a problem with transmission. The Transmission Control Module (TCM) sends a signal to the Engine Control Module (ECM) to turn the engine light ON. Check

Possible causes – Electronic Throttle Body harness is open or shorted– Electronic Throttle Body circuit poor electrical connection– Stuck open Electronic Throttle Body– Faulty Electronic Throttle Body Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Electronic Throttle System (ETS) malfunction– Faulty Electronic Throttle System (ETS) Motor– Electronic Throttle System (ETS) Motor harness is open or shorted– Electronic Throttle System (ETS) Motor circuit poor electrical connection P1110 HYUNDAI Description Electronic throttle system malfunction-Poor

Possible causes – Engine Light ON (or Service Engine Soon Warning Light) Tech notes – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit

Possible causes – Engine Light ON (or Service Engine Soon Warning Light) Tech notes – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit

Possible causes – Engine Light ON (or Service Engine Soon Warning Light) Tech notes – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit

Possible causes – Faulty Acceleration Sensor– Acceleration Sensor harness is open or shorted– Acceleration Sensor circuit poor electrical conection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Accelerator Position Sensor(APS)– Faulty APS+Brake– Faulty APS + Vehicle speed sensor– Faulty APS + Vehicle speed sensor + Brake– Faulty Electronic Throttle Control(ETC) Items(TPS or ETC motor etc)– Faulty Powertrain Control Module (PCM) Symptoms – Engine

Possible causes – Faulty Accelerator Position Sensor(APS)– Faulty APS+Brake– Faulty APS + Vehicle speed sensor– Faulty APS + Vehicle speed sensor + Brake– Faulty Electronic Throttle Control(ETC) Items(TPS or ETC motor etc)– Faulty Powertrain Control Module (PCM) Symptoms – Engine

Possible causes – Faulty Accelerator Position Sensor(APS)– Faulty APS+Brake– Faulty APS + Vehicle speed sensor– Faulty APS + Vehicle speed sensor + Brake– Faulty Electronic Throttle Control(ETC) Items(TPS or ETC motor etc)– Faulty Powertrain Control Module (PCM) Symptoms – Engine

Possible causes – Faulty cooling fan relay– Cooling fan relay harness is open or shorted– Cooling fan relay circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Engine overheating

Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1401 HYUNDAI Description

Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1403 HYUNDAI Description

Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1402 HYUNDAI Description

Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection– Faulty Powertrain Control Moduel (PCM) Symptoms – Engine Light ON (or Service Engine Soon

Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1404 HYUNDAI Description

Possible causes – Faulty Electronic Throttle System (ETS) Motor– Faulty Electronic Throttle System (ETS)– Electronic Throttle System(ETS)unit– Electronic Throttle System(ETS) harness is open or shorted– Electronic Throttle System(ETS) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine

Possible causes – Faulty Electronic Throttle System (ETS) Motor– Faulty Electronic Throttle System (ETS)– Electronic Throttle System(ETS)unit– Electronic Throttle System(ETS) harness is open or shorted– Electronic Throttle System(ETS) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine

Possible causes – Faulty Electronic Throttle System (ETS) Motor– Faulty Electronic Throttle System (ETS)– Electronic Throttle System(ETS)unit– Electronic Throttle System(ETS) harness is open or shorted– Electronic Throttle System(ETS) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine