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 MANUALSHYUNDAI2013SANTA FE XL PREMIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSIMMOBILIZER SYSTEM DIAGNOSISDTC P1688: IMMOBILIZER LOCKDTC INSPECTIONMONITOR GDS DATA
2013 Hyundai Santa Fe XL Premium
Monitor GDS Data
2013 Hyundai Santa Fe XL PremiumSECTION Monitor GDS Data
- Ignition "ON" & Engine "OFF"
- Connect GDS and clear the DTCs.
- Is DTC P1688 displayed again?
YES
- While IGN1 On, when incorrect PIN is entered for more than 3 times, wait 1 hour to for next attempt.
When PIN or Password lock is released, check the stored PIN or Password on the IMMO first, then perform verification of vehicle repair.
NO
- Fault is intermittent caused by poor contact in ICU's and/or PCM connector or was repaired and ICU's and/or PCM memory was not cleared. Therefore, Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- While IGN1 On, when incorrect PIN is entered for more than 3 times, wait 1 hour to for next attempt.
RENDER: 1.0x
NO RELATED
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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.