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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 11, 2012
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet Monte Carlo LS 3.1L Unknown VIN: 2G1WW12M5S
My wiring diagram shows that there is suppose to be a trans temp sensor for this car. What is my next step? That is the only code. Customer complaint is that the car does not shift at all and it does not shift. I want to take a logical approach and fix codes f...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Tahoe LTZ 5.3L No Start, MIL Lamp on VIN: 1GNFK13047
Group thanks for all the replies. The problem was a bad computer. I believe the problem stems from the customer hooking up a new battery and doing something wrong in the process. He said it was fine till new battery was installed. What he did I have no idea b... Trouble codes: P0641.
2004 GMC Sierra 2500 SLE 6.0L MIL Lamp on VIN: 1GTGK23U24
Thanks for the great suggestions everyone! I cleaned all the grounds and replaced several. The fix was an ignition switch. The tac system will set a code if it doesn't see voltage within the first .8 of a second. I cycled the key several times and it started w... Trouble codes: U0107 (Loss of communication wit TAC).
2006 Pontiac Torrent 3.4L Unknown VIN: 2CKDL63F46
Perform software flash to trans computer and advised customer on suspect internal problem based on pressure waveforms posted.
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