Powertrain Control Module
NOTE:
Sentry Key Immobilizer Module (SKIM) will only remain in secured access mode for 60 seconds. If incorrect unique Personal Identification Number (PIN) is entered 3 times, SKIM will be locked for one hour. To unlock SKIM, turn ignition on for one hour. When SKIM is locked, scan tool will display BUS +/- SIGNALS OPEN.
NOTE:
If Powertrain Control Module (PCM) was replaced, the correct vehicle mileage and Vehicle Identification Number (VIN) must be programmed into the PCM to prevent DTCs from being set in Anti-Lock Brake System (ABS) module and Occupant Restraint Controller (ORC) module.
- Obtain vehicle's unique Personal Identification Number (PIN) assigned to SKIM module from vehicle owner or manufacturer. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Using scan tool, enter correct VIN and mileage into PCM. Go to next step.
- Using scan tool, clear DTCs from Anti-Lock Brake System (ABS) module and Occupant Restraint Controller (ORC) module. Using scan tool, select SKIM MODULE REPLACEMENT. Enter 4-digit PIN number to put SKIM in access mode. Using scan tool, transfer vehicle secret key data to from SKIM to PCM. Go to next step.
- Attempt to start vehicle. If vehicle starts and stays running, system is operating correctly and customer's complaint cannot be duplicated, repair is complete. If vehicle does not start or stay running, repair by symptom. See appropriate TROUBLE SHOOTING - NO CODES article in ENGINE PERFORMANCE.