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.
2001 Plymouth Neon Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Remote Keyless Entry Transmitter
- Using a voltmeter, check Remote Keyless Entry (RKE) transmitter batteries. If voltage is 3 or more volts on each battery, go to next step. If voltage is less than 3 volts on any battery, replace battery(s).
- Ensure RKE transmitter is programmed. See REMOTE KEYLESS ENTRY TRANSMITTER under PROGRAMMING. If RKE transmitter is programmed but still does not operate properly, go to next step.
- Program a known-good RKE transmitter. See REMOTE KEYLESS ENTRY TRANSMITTER under PROGRAMMING. If known-good RKE transmitter operates properly, replace original RKE transmitter and program all transmitters to be used on this vehicle. If known-good RKE transmitter does not operate properly, go to next step.
- RKE module is assumed to be defective at this time. 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.