Yes, you can do it yourself, but it involves buying a Consult II tool so that you can attach to the Murano's network and modify the programmed options.
J-44200
CONSULT II SCAN TOOL
The power of enhanced diagnostics in your hands.
Diagnoses even more systems than the original CONSULT while
meeting EPA requirements for standardized diagnostics.
Features:
Replaces the CONSULT as the premier essential diagnostic
tool for Computerized On-Board Systems of Nissan and
Infiniti vehicles
High-speed 32-bit Motorola Power PC processor which
allows rapid display of the monitored data in a real-time
graphical format
Large, high resolution touch screen interface – twice the size
of the original CONSULT screen
Diagnostic systems include Automatic Transmission, ABS, Cruise
Control (ASCD), Air Bag, Traction Control (TCS), In-Vehicle Multiplex
System (IVMS) and Smart Entrance Control Unit
Includes diagnostic and NATS software cards
Future program updates provided on ASIST CD-ROM
Internal thermal paper printer
Supports reprogramming of the electronic Control Module when used
with ECM reprogramming card, J-44200-ECMR
Oscilloscope function
Multimeter function
High speed communications to the PC using provided Ethernet cable
The best part, is it's only $4,211.94! I'll take two please!