Follow the correction procedures. (smart key system)
If a warning message is displayedLost Communication with ECM / PCM "A" (U0100)
DESCRIPTION
The engine control unit communicates with the TCM using the Controller Area Network
(CAN).
If there is a problem in this communication, the TCM sets a DTC.
DTC No.
DTC Detection Condition
Trouble Area
...
Light Control Switch Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) receives the following
switch information:
Light control switch position off, tail, head or AUTO
Dimmer switch position high, low or high flash (pass)
Fog light switch posit ...
GCWR, TWR and Unbraked TWR
Confirm that the gross trailer weight, gross combination weight, gross vehicle
weight, gross axle weight and tongue weight are all within the limits.
- GCWR* and TWR*
► Vehicles without towing package
► Vehicles with towing package
...