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.
2003 Kia Sorento V6-3.5LFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Diagrams
ECU Side Connector
Connector A - (A1-A26):
Connector A - (A27-A35):
A - Connector
Connector B - (B1-B26):
Connector B - (B27-B28):
B - Connector
Connector C - (C1-C30):
C - Connector
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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