Heat gauge and a/c quite at the same time.take battery cable off and it works for a few starts then it quites again

Asked by Aug 27, 2017 at 06:48 AM about the 2008 Chevrolet TrailBlazer LS Fleet

Question type: Maintenance & Repair

1 Answer

100,445

Possibly a error in the programming of the HVAC processor or the BCM. However if you keep disconnecting main power to force a reset you will damage the factory presets in the body control computer and then your stuck with having the dealer do a reflash or even a possible replacement of the BCM. So have a shop check the system out before you do some real expensive damage.

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