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.
Door Will Lock With Key In Ignition & Front Door Open
Check ignition key, driver's door or front passenger's switch. Check multiplex control unit input. See MULTIPLEX CONTROL UNIT INPUTS (KEYLESS ENTRY SYSTEM) under SYSTEM TESTS. Check for poor contact at ground connectors (G401 or G402). See WIRING DIAGRAMS . Also check for open in circuits between driver's door or front passenger's switch and multiplex control unit.
NO RELATED
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.