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.
2002 Chrysler Neon LE, AutomaticFACTORY OEM SERVICE PROCEDURE
Automatic Door Lock Inoperative
NOTE:
After making any repairs, perform BODY VERIFICATION TESTΒ
under VERIFICATION TESTS.
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). DLC is located on bottom of instrument panel, to left of brake pedal. See Figure . Turn ignition on. Using scan tool, select BODY, THEFT ALARM, VTSS, MISCELLANEOUS, then AUTO DOOR LOCKS. If scan tool displays AUTO DOOR LOCKS: ENABLED, go to next step. If scan tool displays AUTO DOOR LOCKS: DISABLED, use scan tool to enable automatic door locks.
- Ensure all door's are closed. Using scan tool, select DOOR AJAR states. If any door states display OPEN, go to next step. If all door states display CLOSED, go to COURTESY LIGHTS ON AT ALL TIMESΒ under INTERIOR LIGHTING.
- Using scan tool read ENGINE Diagnostic Trouble Codes (DTC). If any ENGINE DTCs are displayed, perform corresponding test in SELF-DIAGNOSTICS - NEON article in ENGINE PERFORMANCE. If no ENGINE DTCs are displayed, replace Remote Keyless Entry (RKE) module. See REMOTE KEYLESS ENTRY MODULEΒ under REMOVAL & INSTALLATION.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
