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B1281

DTC B1281 Airbag ECU Communication Stop

DTC Detection Condition:




DESCRIPTION

HINT: This DTC is detected when communication between the center airbag sensor assembly (Airbag ECU) and multiplex network gateway ECU stops for more than 10 seconds.

Wiring Diagram:






Step 1:




Step 1 (Continued)-3:




Step 3 (Continued):




INSPECTION PROCEDURE

HINT: When "+B of GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) are detected at the same time as "communication stop" DTC B1281, repair the "+B or GND short malfunction of communication bus" DTCs first.