Abs and brake light

C

cummins-dodge

New member
My 2012 3500 has a abs and brake light on the dash. I ran sanner on it says rear abs sensor. I changed it still have the lights on and scanner still says bad sensor tried clearing codes no luck. The cruise don’t work and the speed don’t work when i raise the rear tires ive did a continuity test on the wires they tested good where else should i look
 
My 06 had the same issues and I had to put a new TIPM in .

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I put a new tipm in truck still got abs and brake lights now service 4x4 light did soft reset going to try hard reset tomorrow any other things to look for
 
Bad ground? I think they're all controlled/monitored by the PCM, so maybe check around there for corrosion or burnt up pins?

It's weird that 4WD came on unless it's unrelated.

If the BRAKE like came on, that usually only comes on if you're low on fluid, and if it's a parking brake issue, it'll blink.
 
I talked to tipm rebuilders they are going to send me another tipm to try that where are the grounds located ill start tracking them down and clean them up
 
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