ComponentsLost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The combination meter assembly communicates with the ECM via the CAN communication
system (CAN No. 1 Bus).
DTC No.
DTC Detection Condition
Trouble Area
U0100
When either of the follow ...
Weight limits
• The gross trailer weight must never exceed TWR described in the table. • The
gross combination weight must never exceed the GCWR described in the table.
• The gross vehicle weight must never exceed the GVWR indicated on the Certification
Label. ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY
(a) Apply a light coat of gasoline to 2 new O-rings, and install them
onto the fuel pressure regulator.
Text in Illustration
*1
New O-r ...