Meter / Gauge System (for Sedan)

METER: METER / GAUGE SYSTEM (for Sedan): U0100: Lost Communication with ECM / PCM "A"

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

DESCRIPTION

The combination meter assembly and the ECM exchange signals through the CAN communication system.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC OUTPUT
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Clear the stored DTCs by selecting the following menu items on the tester: Body Electrical / Combination Meter / Trouble Codes.
(d) Drive the vehicle at more than 3.1 mph (5 km/h) for at least 60 seconds.
(e) Stop the vehicle.
(f) Check for DTCs.
Result:






B -- SYSTEM IS OK
A -- GO TO CAN COMMUNICATION SYSTEM