Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home.
Notice
To avoid serious damage to your vehicle
Do not tow your vehicle with 4 wheels on
the ground. 
To prevent causing serious damage to the transmission and dynamic torque control awd system (awd models)
2Wd models: never tow this vehicle from
the rear with the front wheels on the
ground. This may cause serious damage
to the transmission. 
Awd models: never tow this vehicle with
any of the wheels on the ground. This
may cause serious damage to the transmission
and dynamic torque control
awd system. 
Trailer towing tipsBack door lock
Inspection
Inspect back door with motor lock assembly
Apply the battery voltage to the door lock motor and
check the operation of the door lock motor.
Ok
If the result is not as specified, replace the door lock
assembly. ...
Diagnostic trouble code chart
Look for output diagnostic trouble codes (dtcs) (from the
dtc checks) in the appropriate section's diagnostic trouble
code chart. Use the chart to determine the trouble area and
the proper inspection procedure. A description of each of the
chart's columns are below.
Item
Description
...
Occupant classification sensor power supply circuit malfunction
Description
The occupant classification sensor power supply circuit consists of the
occupant classification ecu and
the occupant classification sensors.
Dtc b1793 is recorded when a malfunction is detected in the occupant
classification sensor power
supply circuit.
Wiring diagram
...