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U1153 Diagnostic Trouble Code Discussion for July 2015

Lost Communication With Climate Control Panel Module


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Trouble Ticket Help Requests for DTC U1153
Help Request Posted
2003 Cadillac CTS 3.2L No Start, MIL Lamp on VIN: 1G6DR57M13
U1153: Hvac communication. Hello, techs My customer's caddilac cts was towed in my garage with no start ,could not shift from park and could not key out from ignition cylinder. I checked all related wiring harness(splices, power, ground...) I could not find any.. So, I decided change e...
July 13, 2015
2003 Cadillac CTS 3.2L No Start, MIL Lamp on VIN: 1G6DR57M13
U1153: Hvac communication. Hello, techs My customer's caddilac cts was towed in my garage with no start ,could not shift from park and could not key out from ignition cylinder. I checked all related wiring harness(splices, power, ground...) I could not find any.. So, I decided change e...
July 20, 2015