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U1152 Diagnostic Trouble Code Discussion for May 2010

Lost Communication With HCM Module


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Trouble Ticket Help Requests for DTC U1152
Help Request Posted
2005 Chevrolet Silverado 1500 5.3L Intermittent comm. VIN: 1GCEK19Z35
U1152: Loss of HVAC comm. This vehicle came in about a week ago with a communication problem. Customer needs to get state inspection sticker and they said there was no communication with the vehicle. I hooked up our Tech 2 and had no problems at all. Data came through just fine on all ...
May 03, 2010