I have a 2007 Commander CRD with 130000 klm and it has just started to intermittently not change up gear properly, sometimes only going to second gear. Stop, restart then might drive as normal. The codes are P0700, P0734, P0735 and U0402. Any advice would be greatly appeciated. Cheers Bryan.
Thanks for your replies. The P0700 is transmission control system, P0734 is incorrect 4th gear, P0735 is gear 5 incorrect and U0402 is invalid data TCM. The transmission has no leaks and is full to the correct level. It was serviced about 50000klm ago when the fluid and filter were replaced, plus a new the conductor plate, purely as a precaution. Cheers Bryan.
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Commander fault codes
