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Professional Automotive Repair Technical Discussions for March 18, 2021 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 GMC Yukon SLE 5.3L Auxiliary (rear) AC VIN: 1GKEK13T82 Service information discusses KDD communication between front control and rear auxiliary control module.HVAC (main) control module communicates on the class 2 bus. I have looked high and low and could not find any info on this communication protocol. I fou... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2011 Buick Regal CXL 2.4L heater VIN: W04GN5ECXB Thanks for the responses...all were on the money. The water pump timing chain broke and there is an extended warranty covering this problem but this poor guy was 3 months out. |
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