Applies to: Model 906.1/2/6/7 as of 7/1/13 with code T57 (Right load compartment sliding door electric step) with code T58 (Left load compartment sliding door electric step) except code PE4 (DCAA bus master code, Argen) except code PE5 (Mastercode, bus seats on raised base, Argen) except code T05 (Electric step, front passenger door) except code ZL3 (National version for Latin America)