Originally Posted by
NomakeWan
The important thing to recognize here is that the datastream is not setting Code 14. If Code 14/15 are being set, that means the ECM is actually seeing those inputs from the coolant temp sensor. That rules out a bad conversion in the ADX or your interface software.
Setting a code means the ECM actually detected a fault. So what you're seeing in the datastream is indeed what the ECM is seeing.
Bad sensor, wrong sensor, or sure, bad wiring between the sensor and the ECM. Check your grounds, too.
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