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PHOTO SEQUENCE 20. Flashing a BCM. P20–1 Use the scan tool to retrieve the BCM’s part number or the vehicle’s VIN and record it. P20–2 Connect the scan tool to a PC that can link the scan tool to the flash software. Some scan tools will connect directly to an Internet site.
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PHOTO SEQUENCE 20 Flashing a BCM
P20–1 Use the scan tool to retrieve the BCM’s part number or the vehicle’s VIN and record it.
P20–2 Connect the scan tool to a PC that can link the scan tool to the flash software. Some scan tools will connect directly to an Internet site.
P20–3 Enter the BCM part number in the appropriate field and select “Show Updates” on the menu.
P20–5 Hit the “Next” button to begin downloading of the software.
P20–6 Monitor the progress of the downloading to the scan tool.
P20–7 Once downloading is complete, connect a battery charger to the vehicle’s battery. Turn it on and maintain about 13.5 volts at the battery.
P20–8 Connect the scan tool to the DLC and turn the scan tool on.
P20–9 Move through the menus on the scan tool until the desired flash screen is shown. Then follow all instructions given on the tool.