2012 silverado dash says engine hot a/c turned off, temp gauge doesn"t work. what could this be?

Asked by Sep 10, 2016 at 08:04 PM about the 2012 Chevrolet Silverado 1500 LT

Question type: Maintenance & Repair

1 Answer

67,205

Sounds like either a bad coolant temperature sensor. Or the temperature sensor is unplugged. When this happens the computer assumes that the engine is overheating, just to be on the safe side. HTH. -Jim

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