Sensor Reference Voltage "B" Circuit cheavrolet equinox 2012 code p0651

Question

I checked ecm harness looks good i didnt find any loose connections but i dont know sensor locations and i changed ecm but once and week code coming up and clearly its self i dont know what is the problem exactly please if know can u email to me

Answer 1

Hi there

If this code is appearing and the wiring is good, it's possible one of the sensors on the 5 volt lines is causing the problem.

P0651 CHEVROLET - 5 Volt Sensor Reference 2 Circuit

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