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P0118 Diagnostic Trouble Code Discussion for March 2024

ECT Sensor Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0118
Help Request Posted
2008 Chevrolet Avalanche LS 5.3L No Start, Misfire VIN: 3GNEC12038
P0118: engine coolant temp sensor high voltage. this was towed in with the battery disconnected. I hooked up the battery and this would not even click the starter. I put the original pcm in the vehicle and it would crank but not start. I checked for injector pulse and have no pulse and no spark. I check...
March 25, 2024