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Service 4x4 light on. No four-wheel drive. 2017 Ram

Rodeo59

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Apr 7, 2022
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My service 4x4 light came on, which in turn decommissions the four-wheel drive. If I put it in 4x4 as soon as I start the engine it will engage.
It will also come back out of 4x4, then the service light comes back on. Any help on this would definitely help. 68,000 miles, 6.7 ltr Cummins
 

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