COMPONENTS
ILLUSTRATION
On-vehicle InspectionLost Communication with ECM / PCM (U0100)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0100
No communication from the ECM continues.
ECM main wire or connector
Power source circuit of ECM
ECM
...
Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1) (P0746)
SYSTEM DESCRIPTION
The TCM uses the vehicle speed signal and signals from the transmission speed
sensors (NC, NT) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
Then the TCM compares the actual gear with the shift schedule in the TCM memo ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
CAN Communication System
DTC Code
Detection Item
Output ECU/Techstream Display
See page
U0100
Lost Communication with ECM / PCM
Power management ...