Asked by batoot2die Aug 21, 2017 at 02:43 AM about the 2012 Jeep Grand Cherokee Overland Summit 4WD
Question type: Maintenance & Repair
Service four wheel drive system's light comes on and disappears after 15
minutes of turning the engine on. My Jeep is Grand Cherokee Overland Summit
2012. Any help to solve this problem
Next time the light comes on, I would take it to a mechanic that you trust. Let them diagnose. I suspect it could be a warning that the hub assemblies or the wheel bearings might be going bad. My older 4x4 used to do that just before the hubs would go bad. When the hubs were bad to a point that needed changing, the abs and traction lights would also come on and stay on. Good luck
This is a problem that is proprietary to the vehicle and manufacturer. A dealership needs to reprogram or re-flash your TCU. A lot of Jeeps were recalled for this issue. It's a software malfunction in their program. A dealership is the only one that has the software program to correct this problem. Until you get this corrected you will not be able to engage low range. Do not delay this correction. The transmission can downshift to a low gear while at speed on the freeway producing disastrous results for your transmission and your safety.
Service four wheel drive system's light comes on and disappears after 15 minutes of turning the engine on. My Jeep is Grand Cherokee Overland Summit 2012. Any help to solve this problem
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