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I would probably change the solenoid pack. Those codes don't really indicate anything else could be the problem other than a broken circuit. If you can inspect the wiring harness really well for signs of chafing, or rodent damage and everything looks ok then it's pretty safe to say that the solenoid pack is at fault.
You can also check the resistance of the solenoids. The clutch solenoids should be 1-3 ohms. For the LR solenoid, check resistance between pins 10 and 19 at the green connector of the Powertrain Control Module (PCM).
Sounds good. Anything over 3 ohms on the solenoids means they need to be changed.
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