Serial Data Gateway Module Programming and Setup. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Diagnostic Navigation 🢒 Programming and Setup 🢒 Serial Data Gateway Module Programming and Setup

The following service procedures require either a programming or a setup event be performed for a complete repair.

If the SDGM is replaced, SDGM programming must be performed. Refer to Service Programming System (SPS).

When SDGM reprogramming must be performed, refer to Service Programming System (SPS).

Ensure the following conditions exist in order to prepare for SDGM programming or reprogramming:

•	The battery is fully charged.

•	The ignition switch is in the RUN position.

•	The Techline equipment cable connection at the data link connector (DLC) is secure.

Program the SDGM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.

If the SDGM fails to program, proceed as follows:

•	Ensure the DLC and SDGM connections are good.

•	Inspect the Techline equipment for the latest software version.

•	Attempt to program the SDGM. If the SDGM still cannot be programmed properly, replace the SDGM.

This device requires no setup.