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2006 Grand Cherokee Laredo lost communication with the TCM again!

73K views 30 replies 20 participants last post by  jeepgcoman  
robbj24: I am having the same problems with my wife's Jeep. Wondered if replacing the trans relay switch fixed your problem?

Oscarq: was wondering what you meant by having a spare relay switch? when I look in the fuse box there isnt any relay switch located in the spot marked for "Trans Relay Switch." Was wondering if you had your mechanic wire a new one in?

Any help is greatly appreciated. Thanks guys