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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 26, 2023
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2010 Buick LaCrosse CXL 3.0L tcm communication VIN: 1G4GC5GG7A
Vehicle came in in Nov. complant of harsh engagement and not shifting. also no backup camera or lane departure system not working. I tested for power and grounds to tcm. all were good put a new tcm in and everything worked as expected. Car was driven 600 m...
2001 GMC Sonoma SL 4.3L Electronic VIN: 1GTD19W91K
this sonoma got problem whit the transfer case shiftting .the truck pass from 4 wd hihg to 2 wd whitout commanding it .i began to put the system in diagnostic mode by grounding the dlc connector and the system give me a code 2 problem in this time the tccm...
2007 GMC Canyon SLT 3.7L Misfire VIN: 1GTDT13E87
Truck came about a month ago, check engine light on and flashing, running rough. Replaced coils and plugs, oil change due to excessive fuel in oil. Vehcile ran good till 2 days ago. Same symptons except cylinder 5 missing badly. Replaced coil and plug just... Trouble codes: P0300, P0305 (misfire 5)
2008 Saturn Aura XE 3.5L Computer reset VIN: 1G8ZS57N28
Clear computer codes, customer said he drove 200 miles but evap still not compleat. No computer code's. The purg valve and evap valve works ok. I think it may be a computer problem. Thanks for any help with this .

Fixes & Summaries for GM
Fix/Summary Answers
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