Toyota Tundra Service Manual: Communication with BODY ECU (Receive) (U0142)

Toyota Tundra Service Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System / Communication with BODY ECU (Receive) (U0142)

DESCRIPTION

The combination meter assembly communicates with the main body ECU (multiplex network body ECU) via the CAN line.

DTC Code

DTC Detection Condition

Trouble Area

U0142

When either of following conditions is detected:

  • IG voltage 10.5 V or more
  • No communication with main body ECU (multiplex network body ECU) continues for 3 seconds or more

CAN communication system

WIRING DIAGRAM

PROCEDURE

1.

CHECK DTC

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result

Proceed to

DTC U0142 is not output

A

DTC U0142 is output

B

HINT:

If the CAN communication system DTC U0142 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0142 first.

A

USE SIMULATION METHOD TO CHECK

B

GO TO CAN COMMUNICATION SYSTEM

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