Mercedes-Benz ML430 Problem Report

Mercedes-Benz ML430 "All Activity Module" May Cause Multiple Electrical Malfunctions

(6 reports)

Various electrical problem may develop due to a failed "all activity module". Our technicians tell us that proper diagnoses is required to be sure any electrical faults are being caused by the failed module.

EVERYTHING GOING HAYWIRED -
The module simply quit and I was told it would be very expensive to fix so I didn't fix it. -
AC works some times so they jump wire it.now it stays on heat no matter where you put the swicth -
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