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2015 trax displays codes 73 and 173. all wheel drive does not work, dealer unable to find the code in service Manuel.who else has this issue? how did you fix it?
 

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Because this code isn't in the service manual, it's in the owner's manual. They need to do the service bulletin on re-flashing the rear differential clutch module. They should know this. If they can't communicate with the module they will have to replace it.

3452
 
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