LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> IS 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Transfer) >> Four Wheel Drive Control System >> DTC U0073/86, U0100/85, U0122/83, U0126/84: Control Module Communication Bus OFF; Lost Communication with ECM / PCM "A"; Lost Communication with Vehicle Dynamics Control Module; Lost Communication with Steering Angle Sensor Module >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

Go to CAN communication system for troubleshooting (See SYSTEM DESCRIPTION ).

HINT:

When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.