Hyundai Tucson: Immobilizer System / Troubleshooting

Hyundai Tucson (LM) 2010-2015 Service Manual / Body Electrical System / Immobilizer System / Troubleshooting

Diagnosis Of Immobilizer Faults

-	Communication between the ECM and the SMARTRA.

-	Function of the SMARTRA and the transponder.

-	Data (stored in the ECM related to the immobilizer function.

The following table shows the assignment of immobilizer related faults to each type:

Immobilizer Related Faults

Fault types

Diagnostic codes

PCM(ECM) fault

1.	Non-Immobilizer-EMS connected to an Immobilizer

P1610

Transponder key fault

1.	Transponder not in password mode

2.	Transponder transport data has been changed.

P1674
(Transponder status error)

Transponder key fault

1.	Transponder programming error

P1675
(Transponder programming error)

SMARTRA fault

1.	Invalid message from SMARTRA to PCM(ECM)

P1676
(SMARTRA message error)

SMARTRA fault

1.	Virgin SMARTRA at learnt EMS

2.	Neutral SMARTRA at learnt EMS

3.	Incorrect the Authentication of EMS and SMARTRA

4.	Locking of SMARTRA

P169A
(SMARTRA Authentication fail)

SMARTRA fault

1.	No response from SMARTRA

2.	Antenna coil error

3.	Communication line error (Open/Short etc.)

4.	Invalid message from SMARTRA to PCM(ECM)

P1690
(SMARTRA no response)

Antenna coil fault

1.	Antenna coil open/short circuit

P1691
(Antenna coil error)

Immobilizer indicator lamp fault

1.	Immobilizer indicator lamp error (Cluster)

P1692
(Immobilizer lamp error)

Transponder key fault

1.	Corrupted data from transponder

2.	More than one transponder in the magnetic field (Antenna coil)

3.	No transponder (Key without transponder) in the magnetic field (Antenna coil)

P1693
(Transponder no response error/invalid response)

PCM(ECM) fault

1.	Request from PCM(ECM) is invalid (Protocol layer violation- Invalid request, check sum error etc.)

P1694
(PCM(ECM) message error)

PCM(ECM) internal permanent memory (EEPROM) fault

1.	PCM(ECM) internal permanent memory (EEPROM) fault

2.	Invalid write operation to permanent memory (EEPROM)

P1695
(PCM(ECM) memory error)

Invalid key fault

1.	Virgin transponder at PCM(ECM) status "Learnt" Learnt (Invalid) Transponder at PCM(ECM) status "Learnt"(Authentication fail)

P1696
(Authentication fail)

Hi-Scan fault

1.	Hi-Scan message error

P1697

Locked by timer

1.	Exceeding the maximum limit of Twice IGN ON (x 32 times)

P1699
(Twice IG ON over trial)

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