2002 Chrysler Neon LX, AutomaticFACTORY OEM SERVICE PROCEDURE

Remote Keyless Entry Module

There are 2 remote keyless entry modules, premium and base. The base module is for a vehicle with power door locks only. The base module performs the same functions that the premium module does but has no provisions for Vehicle Theft Security System (VTSS) or remote keyless entry. Both modules communicate with other modules via the PCI bus circuit.

The module monitors the airbag control module messages for the purpose of monitoring the deployment of the airbag. Upon receiving that message, along with the verification that the ignition is on, it will provide the enhanced accident response feature. This feature will cause the module to unlock all doors and the instrument cluster to turn the courtesy lamps on.

The RKE module communicates with the powertrain control module to receive vehicle speed information to activate the rolling door lock feature, receive the "okay to lock" message and receive body style information.

The Base module wakes up the instrument cluster to turn on the illuminated entry when it senses a signal from the driver or passenger (BUX) cylinder lock switch. The premium module wakes up the instrument cluster to turn on the illuminated entry when it senses a signal from the RKE transmitter.

Two RKE transmitters are supplied with a premium equipped vehicle but a total of 4 can be programmed to the module. Horn chirp on a premium equipped vehicle is customer programmable.

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:

  • 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.

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