Programming Powertrain Control Module

2002 Chrysler 300M BaseSECTION Programming Powertrain Control Module
  1. To program PCM, connect DRBIII® to Data Link Connector (DLC). DLC is located below driver's side of instrument panel. See Figure. Place transmission in Park or Neutral. Turn the ignition on, with the engine off.
  2. Using DRBIII®, select THEFT ALARM, SKIM then MISCELLANEOUS.
  3. Select PCM REPLACED.
  4. NOTE: If 3 attempts are made to enter the secure access mode using an incorrect Personal Identification Number (PIN), secured access mode will be locked out for one hour (the vehicle will still run). To exit this lockout mode, turn the ignition switch to the RUN position for one hour then enter the correct PIN. (Ensure all accessories are turned off. Also, monitor the battery state and connect a battery charger if necessary).
  5. Enter secured access mode by entering the vehicle four-digit PIN.
  6. Press ENTER to transfer the secret key data (the SKIM will send the secret key data to the PCM).
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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.