Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSKIA2015OPTIMA EXREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEX - OPTIMA (EXCEPT HEV)IMMOBILIZER SYSTEM DTCS
2015 Kia Optima EX
Immobilizer System DTCS
2015 Kia Optima EXSECTION Immobilizer System DTCS
IMMOBILIZER SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC P1610 | Non-Immobilizer-EMS Connected To An Immobilizer |
| DTC P1674 | Immobilizer-Transponder Status Error |
| DTC P1675 | Immobilizer-Transponder Programming Error |
| DTC P1676 | Immobilizer-Smartra Message Error |
| DTC P1689 | Immobolizer-Unregistered Transponder |
| DTC P169A | Immobilizer-SMARTRA Authentication Fail |
| DTC P1690 | Immobilizer-Smartra No Response |
| DTC P1691 | Immobilizer-Antenna Coil Error |
| DTC P1692 | Immobilizer Indicator Lamp Error |
| DTC P1693 | Immobilizer-Transponder Error |
| DTC P1694 | Immobilizer-EMS Message Error |
| DTC P1695 | Immobilizer-EMS Memory Error |
| DTC P1696 | Immobilizer-Authentication Fail |
| DTC P1699 | Immobilizer-Twice Overtrial |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.