Clear Diagnostic Trouble Codes (DTC) after programming is complete.To help avoid damage to vehicle control modules, do not turn off the ignition during reprogramming unless instructed to do so. During the programming procedure, follow the SPS prompts for the correct ignition switch position.Turn off or disable systems that may put a load on the vehicle battery such as: interior lights, exterior lights (including daytime running lamps), HVAC, radio, etc.
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If the EL-49642 tool is not available, connect a fully charged 12V jumper or booster pack disconnected from the AC voltage supply. 14) Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Maintain stable battery voltage during programming by installing the EL-49642 SPS Programming Support Tool.The MDI 2 has wireless capability however, it is recommended when programming a control module that it is hard wired to the programming tool with the SPS application.If there is an interruption during programming, programming failure or control module damage may occur.
GM SERVICE INFORMATION CODES SOFTWARE
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It’s becoming second nature for many repairs - reprogramming vehicle control modules with updated calibration files using the Service Programming System (SPS).