Generic Electronic Module (Gem): Notes
CAUTION:
Disconnect battery before disconnecting Generic Electronic Module (GEM) connectors. Failure to do so will result in GEM storing erroneous codes and may also result in erratic operation of GEM after recondition.
NOTE:
GEM must be reconfigured upon replacement. See New Generation Star (NGS) or Worldwide Diagnostic System (WDS) tester help screen on Ford Service Function (FSF) card to program tire size and axle ratio.