service 4wd & traction control lights ars on, 4wd switch lights are off

mark'stb

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Joined
Dec 17, 2011
Posts
94
Driving to work today, both the service 4wd and traction control lights on the dash came on and the light for the 4wd selector switch is off. I shut the engine off and restarted, the dash indicators were off and the 4wd switch light was on. I checked for codes with my Tech2 abd found these: U1026- loss of class 2 communication with ATC, C0244- PCM delivered torque malfunction, U1064- loss of BCM/DIM/SBM communication. Any ideas where to start looking? This is the second time in 400 miles that the U codes were in memory, the first for the C0244 code.

Mark
 

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