Programming Powertrain Control Module
NOTE:
If replacing Powertrain Control Module (PCM), the correct vehicle mileage and Vehicle Identification Number (VIN) must be programmed into the PCM to prevent Diagnostic Trouble Codes (DTC) from being set in the Controller Anti-Lock Brake (CAB) module, Sentry Key Immobilizer Module (SKIM) and Air Bag Control Module (ACM). If replacing both PCM and SKIM at the same time, first program PCM, then program SKIM. Replace all ignition keys and program them to new SKIM.
- Connect scan tool to Data Link Connector (DLC), located under left side of instrument panel. See Fig 1.
- Using scan tool, select THEFT ALARM, SKIM then MISC. Select PCM REPLACED. Obtain 4-digit Personal Identification Number (PIN) from vehicle owner or manufacturer.NOTE: If 3 attempts are made incorrectly to enter PIN, secured access mode will be locked out for one hour. To exit lock out mode, leave ignition switch in ON position for one hour. Ensure battery voltage is maintained with battery charger, if necessary.
- Enter secured access mode by entering PIN for vehicle. Select ENTER to update PCM VIN. SKIM will now send secret key data to PCM.
- Select BACK to go to SELECT SYSTEM menu. Select ENGINE, MISC then SRI MEMORY CHECK. Scan tool will display IS ODOMETER READING BETWEEN XX AND XX?
- Select YES or NO. If NO is selected, scan tool will display ENTER ODOMETER READING. Enter odometer reading from instrument panel and press ENTER.