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.

2021 Kia Telluride EX, FWDFACTORY OEM SERVICE PROCEDURE

DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Check vehicle option	Poor connection or damaged harness Faulty ECM
Enable Condition	Ignition "ON"
Threshold Value	Vehicle option error is detected
Diagnostic Time	Continuous
MIL ON Condition	No MIL on (DTC only)

Factory Service Tools

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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.