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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 26, 2019
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2008 Buick Lucerne CX 3.8L No Start, MIL Lamp on, No Crank, No Comm. VIN: 1G4HP57248
First, Thanks for your time fellow techs. Wanting to know if anyone's been down this road already. Car will intermittently not crank when key is turned, usually after sitting for a few minutes. It usually acts up on first start of the day and may or may no... Trouble codes: P1160, U1000, U1010, U1000, U1400

Fixes & Summaries for GM
Fix/Summary Answers
1993 Chevrolet C3500 Cheyenne 6.5L no upshift. VIN: 1GBKC34F4P
thanks for all your replies,it appears only a few actually read and understood the post,as I stated the tcm has power & grnd and the trans case connector has power and I was able to back probe and activate the solenoids with an audible click and not excessive ...
2013 GMC Yukon Denali Hybrid 6.0L starting VIN: 1GKS2GEJ7D
Michael [...] nailed it. Contactor parameter needed to be reset & programmed by Tech 2 at the dealer. Two (2) hour minimum charge. Paid the bill and drove vehicle to body shop to complete the repairs. Kudos to Autel MS906... had everything Tech 2 showed exc...
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