2002 Jeep Wrangler SE, AutomaticFACTORY OEM SERVICE PROCEDURE

Updating Secret Key Data

  1. Connect scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. Using scan tool, select THEFT ALARM, SKIM and MISCELLANEOUS.
  2. Place Smart Key Immobilizer Module (SKIM) in SECURED ACCESS mode by using appropriate Personal Identification Number (PIN) for this vehicle. PIN may be obtained from owner, vehicle's invoice, or from manufacturer. Select UPDATE THE SECRET KEY DATA. Data will be transferred from SKIM to PCM, allowing vehicle to start. If 3 attempts are made to enter secured access mode using an incorrect PIN, SECURED ACCESS mode will be locked out for one hour. To exit lock out mode, turn ignition switch to RUN position continuously for one hour. Ensure all accessories are turned off. Monitor battery state and connect battery charger if necessary.
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.

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