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Message: [QUOTE="Racer X, post: 287002, member: 1934"] If it's not a cable problem: An electronic failure of the solenoid will flash the overdrive light on your shifter and set a (DTC) Diagnostic Trouble Code. The mechanical parts of the solenoid controlled by electronics can stick, however that usually leads to a DTC being set for slip. The forward clutch is working, the problem would probably be either a valve or intermediate sprag. A custom valve body will fix a worn or warped valve body. An intermediate sprag requires a rebuild. Second gear will work in M2 if the sprag is just starting to fail and still holds partially. If you can use M1, M2 then put it in OD and still have an automatic shift into 3 and OD, the above are your most likely causes unless you are setting DTC's and didn't mention it. Racer Product research and development consultant to the automotive industry. Certified specialist on automotive electronic control systems, diesel and gasoline engines, custom transmission, powertrain and engine builder. [/QUOTE]

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