Owners of 2011-2013 Jeep Grand Cherokee vehicles may complain about a driveline bump during acceleration at about 10 mph. The SEV 4WD message appears and the vehicle shifts from 4WD to 2WD.
They may also comment that binding is felt in the front driveline while turning on steep grades at about 3-5 mph.
The fix involves reprogramming the DCTM with the latest software using release 13.03 or higher.
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