I have a 2008 Grand Cherokee 3.0l Diesel and I went through a deep puddle the other day and now my it tells me to service my 4wd.What caused this to happen and can it be fixed

Asked by Nov 07, 2017 at 03:36 PM about the Jeep Grand Cherokee

Question type: Maintenance & Repair

2 Answers

470

You need to take it to a Dodge dealership and have the TCU checked. The TCU controls the transfer case engagement. There was a recall issued for just this problem. If they can't flash the TCU be prepared to fork out $700 for a new TCU.

What is flash

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