How do I reset electrical system?


Asked by Mar 06, 2015 at 10:21 AM about the 2010 Dodge Ram 1500 Laramie Quad Cab 4WD

Question type: Maintenance & Repair

I replaced a damaged driver side mirror and since then my dashboard displays -40 (thats minus forty degrees) and my Climate Control & Check Engine seat/steering wheel warmers always come on.  The replacement mirror has all the same features as the original except for the power folding.

2 Answers


Remove the positive cable from battery for about ten minute,s,then replace,this will reset the ECM.


Remove both cables from the battery and touch the cables together and that should reset the ECM.

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