AWD Control Unit: Fail-Safe

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

If any malfunction occurs in AWD electrical system, and control unit detects the malfunction, AWD warning icon/display on information display is displayed to indicate system malfunction.
When AWD warning icon/display is displayed, vehicle changes to front-wheel drive or shifts to 4-wheel drive (rear-wheels still have some driving torque).

DTC	AWD warning icon/display	Possible cause	Vehicle condition
C1201	Courtesy of NISSAN NORTH AMERICA, INC.	Internal malfunction of AWD control unit	Front-wheel drive or shifts to 4-wheel drive (Rear-wheels still have some driving torque)
C1203		ABS malfunction Vehicle speed signal error
C1204		Internal malfunction of electronic controlled coupling Malfunction of AWD solenoid power supply circuit (open or short) Malfunction of AWD solenoid command current
C1205		Internal malfunction of AWD control unit Malfunction of AWD solenoid power supply circuit (ground short)
C1210		Malfunction of engine control system
P1804		Internal malfunction of AWD control unit
P181F		Writing unit characteristics is incomplete.
U1000		CAN communication error Malfunction of AWD control unit
U1010		Malfunction of AWD control unit