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"A/C PRESSURE SIGNAL
Explanation
This trouble code is stored when the A/C compressor is sensed as being switched "ON" (battery voltage on pin 65) but no A/C switch signal (0 V on pin 64) is received simultaneously.
Troubleshooting
* Check wires to the Digital Motor Electronic (DME ) control unit Pin 64 and 65 for a short and break.
* Proceed with displayed scan tool diagnostic instructions where applicable."
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thanks. I do know have any ac components so I guess this would make sense. I wonder why I have never picked it up before and it would be fantastic if I could dummy it so it doesn't give me a cel.
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