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
RKE Transmitter Inoperative
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
- Ensure Remote Keyless Entry (RKE) module is configured and is in customer mode. Using a voltmeter, check voltage across both RKE transmitter batteries. If voltage is 3 volts or more on both batteries, go to next step. If voltage is less than 3 volts on either battery, replace batteries as needed. 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, MISC and RKE fob and module test. Follow scan tool instructions. Using RKE transmitter, lock and unlock doors. If locks do not operate properly, go to next step. If locks operate properly, reprogram original transmitter. See REMOTE KEYLESS ENTRY TRANSMITTER under PROGRAMMING. Program all transmitters to be used on this vehicle.
- Substitute a known-good RKE transmitter programmed to vehicle. Using scan tool, select BODY, THEFT ALARM, MISC and RKE fob and module test. Follow scan tool instructions. Using RKE transmitter, lock and unlock doors. If locks do not operate properly, go to next step. If locks operate properly, replace transmitter. Program all transmitters to be used on this vehicle. See REMOTE KEYLESS ENTRY TRANSMITTER under PROGRAMMING.
- Replace RKE module. See REMOTE KEYLESS ENTRY MODULE under REMOVAL & INSTALLATION.
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.