Flash: C1499-92-RDM Motor Position C1496-92-PTU Motor Position
This bulletin involves updating the software in the Power Transfer Unit (PTU), Rear
Driveline Module (RDM) and Drivetrain Control Module (DTCM).
A customer with a (KL) vehicle may experience difficulty shifting out of 4 Wheel Low
(4WL). A customer with a (UF) vehicle may experience All Wheel Drive (AWD) not
operating correctly. On further inspection the Technician my find Diagnostic Trouble Codes
(DTCs):
? C1499-92-RDM Motor Position - Performance or Incorrect Operation.
? C1496-92-PTU Motor Position - Performance or Incorrect Operation.