P0765 DODGE - Underdrive Solenoid Circuit Fault
Possible causes
· Low transmission fluid level
· Dirty transmission fluid
· Faulty UD solenoid valve
· UD solenoid valve harness is open or shorted
· UD solenoid valve circuit poor electrical connection
The P0765 code is detected when the ECM detects an improper voltage drop when it tries to operate the solenoid valve.
Possible symptoms
· Engine Light ON (or Service Engine Soon Warning Light)
· Transmission will not shift gears
https://www.transmissionrepaircostguide.com/p0765/
What Repairs Will Fix P0765?
- Changing the transmission fluid and filter
- Replace faulty solenoid
- Repair or replace a faulty transmission pump
- Repair or replace defective transmission valve body
- Perform transmission flush to clean passages
- Cleaning corrosion from connectors
- Repairing or replacing wiring
- Flash or replace PCM/TCM
- Install a rebuilt or remanufactured transmission
