P1590 question
#2
RE: P1590 question
this code is not causing your abs lights to be on, its a result of it. its just a code that gets stored in the ecm so that the ecm knows that the terrain its on is rough, and can also be stored by an abs fault. the ecm needs to know about a 'rough road' so that it knows to be less sensitive to misfires that can be falsely logged when going over a bumpy road
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