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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 2, 2021
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Suburban 1500 LS 5.3L 2nd gear VIN: 3GNFK16Z82
The transmission in this truck will inappropriately downshift into 2nd gear sometimes when cruising at highway speed. Scan data shows the Commanded gear change to 2 when this happens. It may then stay in second indefinitely unless it is brought to a comple...
2004 GMC Envoy SLE 4.2L Mileage/ shift position light VIN: 1GKDT13S84
The customer said that the transmission position and the mileage information goes to no lighting, intermittently. The rest of the cluster works good, no problems. Cluster was remanufactured 19 months ago. Looking at schematics this comes off of the logic b...

Fixes & Summaries for GM
Fix/Summary Answers
2001 GMC Sierra 2500 HD SL 8.1L power windows VIN: 1GTHK24G21
I hate to say it, but this one went down the road not fixed. The customer chose to take it without going any further. For now, everything works. We still have the clicking inside the window switch only when putting it down, which really has me baffled. It doe...
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