Airbag System
SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: U0073; Control Module Communication Bus OFF; 2013 MY FR-S [03/2012 -]
U0073 - Control Module Communication Bus OFF
DESCRIPTION
These DTCs are stored when the self-diagnosis of the airbag ECU assembly determines that the CAN communication system is malfunctioning.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- USE SIMULATION METHOD TO CHECK