Posts tagged GM Diagnostic Tool

Use the GM Mini MDI in combination wi...

MAXIMIZE SERVICE SPEED AND REVENUES WITH A COMPLEMENTARY TOOL STRATEGY To help you get the best return for your tool investment and maximize your revenues by servicing more vehicles in less time, we want to make sure you understand how and when to use the new GM multiple diagnostic Interface (MDI) in combination with your gm tech 2. First, a [...]

How To Read Older GM Codes For Free ?

If you own a 1982 to 1995 GM car or truck, you just might be able to read your trouble codes for free! The vehicle has a 12 PIN connector. How to read the codes • Ground terminals A and B (see diagram below) with the ignition “ON” and engine not running. The system will enter the diagnostic mode. In this mode, the computer will di [...]