Posted by Jdr315 on March 29, 2018 at 08:33:35 from (166.137.136.84):
In Reply to: Experts?????????? posted by Goose on March 29, 2018 at 07:35:31:
It's a P code so it goes through the powertrain control module. The a/c head probably gets its reading from the PCM. I wouldn't think the a/c control head would have anythi g to do with it. Need to check the wires from the sensor to the PCM. Possibly make and splice in a new overlay harness and see if it takes care of the problem. Sometimes it is the pins in the connectors also. It shares a ground with the cam position sensor so if it is a ground problem it is passed the connection that goes to the cam sensor. If it was me I would check the pins at the sensor and PCM, if those are good and not spread apart I would splice a new wire from the sensor to the PCM.
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