GM Trouble Repair Archive

Question: GM MDI Firmware update failed, I need help with a image of SDcard from GM MDI. Solution: You can reset it to factory and bring it back

GM Customer Care and Aftersales recently introduced the MAHLE TechPRO Professional Aftermarket Diagnostics application for diagnosing non-GM vehicles in U.S. dealerships’ used car departments and collision repair centers.

Here is one issue from our customer:I used GM TECHII to diagnose SAAB, this tool bought from your here, but it can’s add CIM module and can’t find

Tech 2 security access error 3322 Post by Digger: So I got the Tech 2, the Saab TIS 2000 software and I get half way into security access

Tedjs, our resident tech guy, has kindly provided this insight into the modern mechanic’s Swiss Army Knife – GM’s Tech 2 (or Tech II as you’d write it