Power Side Step Module (PSSM) Update
This bulletin involves reprogramming the PSSM with the latest available software.
Customers may experience a Malfunction Indicator Lamp (MIL) and/or Service Air Suspension Message In Cluster. Upon further investigationthe technician may find the following Diagnostic Trouble Code (DTC): U0422-00 Implausible Data Received From Body Control Module. The customer may also experience one or more of the following: Power side step noise unacceptably loud. The power side steps still deploy/retract after being disabled (i.e. PowerSide Step Store Mode) from the radio settings, this is observed when the vehicle just wakes up from sleep. The PSSM will not be able to enter sleep mode (resulting in a batterydrain) the moment the power side step radio setting is changed from ?Auto? to ?Store? mode and closing a door at the same time (changingradio setting within five seconds after a door is closed).
