Powertrain Control Module On Vehicle: Programming

Turn ignition off and connect scan tool to DLC.
Turn ignition on, with the engine off and verify all vehicle accessories are turned off.
Select SERVICE PROGRAMMING.
Select REQUEST INFO.
Identify vehicle information as requested by scan tool.
Select the type of module you are programming.
Select the type of programming to be performed.
Verify the displayed Vehicle Identification Number (VIN) is same as actual vehicle VIN (if VIN numbers do not match, write down the actual VIN and correct the VIN at the Techline(R) terminal).
When complete, Exit SERVICE PROGRAMMING.
Turn scan tool off and disconnect scan tool from the vehicle.
Turn ignition off and connect scan tool to the Techline(R) terminal.
Select SERVICE PROGRAMMING.
Select correct scan tool as the tool you are using.
Select the type of programming to be performed.
Verify the displayed Vehicle Identification Number (VIN) with the vehicle VIN. Correct the VIN as necessary.
Select the type of module you are programming.
Identify what type of programming that you are performing. Normal--is used for updating an existing calibration or programming a new controller. Reconfigure--is used to reconfigure a vehicle, such as tire size and axle ratio changes. Select the appropriate calibration file. If the vehicle VIN is unavailable or not recognized by the Techline(R) terminal, select Vehicle Configuration Index (VCI). To use this option, you will need to contact the Techline(R) Customer Support center.
Ensure that all connections are secure.
Select REPROG in order to initiate the download of the new calibration to scan tool. After the download is complete, turn OFF the scan tool.
Disconnect scan tool from the Techline(R) terminal.
Connect the Tech 2 to the vehicle Data Link Connector (DLC).
Turn scan tool on.
Turn ignition on, with engine off.
Select SERVICE PROGRAMMING.
Select Program.
After the download is complete, exit SERVICE PROGRAMMING.
Turn ignition off for 30 seconds.
Turn scan tool off.
The following procedures must be completed after replacing and programming the PCM. INSPECTION/MAINTENANCE PROCEDURES, CRANKSHAFT POSITION SENSOR SYSTEM VARIATION LEARN PROCEDURE, OIL LIFE INDEX RESET, IDLE LEARN PROCEDURE and PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS under PROGRAMMING in SELF DIAGNOSTICS - 4.6L DEVILLE, ELDORADO & SEVILLE article in ENGINE PERFORMANCE.