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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 5, 2021
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Open Help Requests for GM
Help Request Answers
2012 Chevrolet Silverado 3500 HD LT 6.6L Tcm VIN: 1GB3K0CL3C
I have a no communication problem with the TCM on a 2012 Silverado 6.6 diesel with a Allison 1000 tranny. It is @ another shop and I went out to flash a new TCM for the shop. When I got there I could not communicate with the TCM . The shop replaced the TCM...
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2014 Chevrolet Spark LS 1.2L Surge VIN: KL8CB6S91E
Thanks for looking at this. Surge can happen at any speed. MAF, new or original, stays around 0.02- 0.04 no intake leakage found, bellows good during surge RPM fluctuates and throttle changes from 60%-30%. transmission is not causing the surge ...
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Fixes & Summaries for GM
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