COMPONENTS
ILLUSTRATION
ILLUSTRATION
InspectionLost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
U0100
No communication with ECM
CAN communication system
ECM
U0131
No commu ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...