DEF check engine warning light on dash
2018 Newmar King Aire. I am getting a yellow check engine and SCR warning light on my dash. DEF gauge is showing tank is empty, but DEF tank is 3/4 full. Also getting fuel gauge showing empty, red warning light, periodically on dash and tank is 1/2 full. Any suggestions on where to check?
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B Painter
2018 Newmar KA 4553, 45'
Towing Ford F150 Platinum;Invisibrake
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