Dtc U0100 Lost Communication With Ecm
DESCRIPTION
INSPECTION PROCEDURE
CHECK FOR DTC
DTC U0100 Lost Communication with ECM |
DTC U0101 Lost Communication With TCM |
DTC U0142 Lost Communication with Body Control Module "B" |
DTC U0155 Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) |
DESCRIPTION
These DTCs are stored when the clearance warning ECU cannot receive and recognize certain signals via the CAN communication system.DTC Code
| DTC Detection Condition
| Trouble Area
|
U0100
| A problem with the engine information signal from the ECM
| CAN communication system
|
U0101
| A problem with the shift position information signal from the power management control ECU
| CAN communication system
|
U0142
| A problem with the vehicle information signal from the main body ECU (multiplex network body ECU)
| CAN communication system
|
U0155
| A problem with the vehicle speed information signal from the combination meter assembly
| CAN communication system
|
- HINT:
- When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
INSPECTION PROCEDURE
Clear the DTCs (LandCruiser RM000000VKU06EX.html).
Check for DTCs (LandCruiser RM000000VKU06EX.html).
ResultResult
| Proceed to
|
DTC (CAN communication system DTC) is output (for LHD with Entry and Start System)
| A
|
DTC (CAN communication system DTC) is output (for LHD without Entry and Start System)
| B
|
DTC (CAN communication system DTC) is output (for RHD with Entry and Start System)
| C
|
DTC (CAN communication system DTC) is output (for RHD without Entry and Start System)
| D
|
No DTC is output
| E
|