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 Sedona EXFACTORY OEM SERVICE PROCEDURE

Key interlock switch

Remove the key interlock switch (A) after loosening the screw.

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Remove the shift lock solenoid (B) after removing the plastic bracket (A).

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Remove the manual mode switch housing (A) after loosening the screw.

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Remove the main connector (A) from the shift lever.

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Remove the pin fixing bracket (A) from the main connector.

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Remove the pin of key interlock switch from the main connector.

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NOTE: Check the wiring color before disconnecting the wiring.

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Pin	Function	Color
1	Shift lock solenoid (+)	Black/Yellow
2	Shift lock solenoid (-)	White/Black
3	Ground (IG)	Black
4	-	-
5	Manual mode "up"	White
6	Manual mode "select"	Red
7	Manual mode "down"	Red/Black
8	Key interlock switch (-)	Brown
9	Key interlock switch (+)	Brown

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.

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