docgriego Posted November 18, 2015 Share Posted November 18, 2015 Recently in my 2012 Pinnacle I had my ABS and my ATC lights plus the lighting bolt illuminate on my dash. The fillowimh code was stored...MID 136 SID 55 FMI 2. If I restart the truck lights will clear and not return until I turn on my parking lights or headlights. This occurs hooked up our bob tailed. If I do not use my light everything functions as normal. Any ideas? Quote Link to comment https://www.bigmacktrucks.com/topic/42725-abs-and-atc-lights-plus-lighting-bolt/ Share on other sites More sharing options...
MackTech Posted November 19, 2015 Share Posted November 19, 2015 Could have wiring problem on your trailer, causing it to backfeed, which is tripping the ECU. Has it ever worked without that problem when hooked up? Quote Link to comment https://www.bigmacktrucks.com/topic/42725-abs-and-atc-lights-plus-lighting-bolt/#findComment-312118 Share on other sites More sharing options...
docgriego Posted November 21, 2015 Author Share Posted November 21, 2015 Thanks for the reply. The problem will occur when hooked up and without the wagon. Quote Link to comment https://www.bigmacktrucks.com/topic/42725-abs-and-atc-lights-plus-lighting-bolt/#findComment-312370 Share on other sites More sharing options...
68MackR Posted November 21, 2015 Share Posted November 21, 2015 Check the groung wire to the hood for headlights and running lights.Had this issue on a GMC throwing a coolent sensor code and shutting down the engine. Quote Link to comment https://www.bigmacktrucks.com/topic/42725-abs-and-atc-lights-plus-lighting-bolt/#findComment-312372 Share on other sites More sharing options...
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