U0100

DTC U0100: Lost Communication with ECM / PCM "A"

Wiring Diagram
Refer to DTC U0073: Control Module Communication Bus Off. U0073

DTC Detecting Condition and Trouble Area





DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC and pending DTC.

DTC Troubleshooting

NOTE: Upon completion of inspection and repair work, perform Intermittent and Poor Connection Inspection and confirm that the trouble has been corrected.