Last Modified: 11-29-2007 1.6 C
Service Category: Vehicle Interior Section: Meter/Gauge/Display
Model Year: 2008 Model: Sequoia Doc ID: RM000002O0D00CX
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

U0129

Lost Communication with Brake System Control Module

DESCRIPTION

The combination meter communicates with the skid control ECU via the CAN line.

DTC Code

DTC Detection Condition

Trouble Area

U0129

When either of following conditions is detected:

  • 15 seconds have elapsed since engine started and IG voltage 10.5 V or more
  • No communication with skid control ECU continues for 3 seconds or more (No communication with ECM or skid control ECU continues for 60 seconds or more)

CAN communication system

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC

(a) Use the Techstream to check if the CAN communication system is functioning normally METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B

HINT:

If the CAN communication system DTC U0129 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0129 first.

A