Meter / Gauge System

METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: U0100: Lost Communication with ECM / PCM "A"

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

DESCRIPTION

The combination meter communicates with the ECM via the CAN line.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC
(a) Check for DTCs and note any codes that are output. Reading and Clearing Diagnostic Trouble Codes
(b) Clear the DTCs. Reading and Clearing Diagnostic Trouble Codes
(c) Recheck for DTCs. Reading and Clearing Diagnostic Trouble Codes

Result





HINT: If CAN communication system DTC U0100 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100 first.

B -- Go to CAN COMMUNICATION SYSTEM
A -- USE SIMULATION METHOD TO CHECK