"SERVICE 4WD SYSTEM"

Asked by Apr 04, 2017 at 11:50 AM about the 2008 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

Hey Guys, would anyone know how to fix "Service 4WD system" the sign
constantly coming up and 4WD is not shifting.

1 Answer

80

Yes. You need to take it to a Dodge dealership. They will reprogram the TCU with a software update. It only takes a few minutes. Check first though. There was a recall for this problem and you might get them to perform this service free. It's a proprietary software and not available to the general public or a garage.

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