Updating Secret Key Data

2000 Plymouth Breeze 2.0 C, Standard, A578SECTION Updating Secret Key Data
  1. Connect scan tool to Data Link Connector (DLC). Go to THEFT ALARM, SKIM and then MISC on scan tool. Place Sentry Key Immobilizer Module (SKIM) in SECURED ACCESS MODE by using appropriate Personal Identification Number (PIN) for vehicle. PIN may be obtained from vehicle's owner, vehicle's invoice or from manufacturer. Select UPDATE THE SECRET KEY DATA. Data will be transferred from SKIM to the PCM. This will enable the vehicle to start.
  2. If 3 attempts are made to enter SECURED ACCESS MODE by using incorrect PIN, SECURED ACCESS MODE will be locked out for one hour. To exit this locked out mode, leave ignition switch in ON position for one hour with all accessories turned off. It may be necessary to monitor battery voltage and connect a battery charger if necessary.
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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.