Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Welcome,I have been a master mechanic for over 35 years and am happy to help you with this.
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First....What year and engine size please?
Hello, new expert here. The P0785 code sets when there is a problem with the 3-2 downshift solenoid circuit in the transmission. The fix will be to inspect the wiring and replace the 3-2 solenoid. The transmission pan must be removed to replace this solenoid. Refer to attached image for location of the solenoid.