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DTC U0156:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

DTC U0156:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

 id0802g8012100

Note
•  The SRS air bag system can be identified by whether or not the seat track position sensor is present.
―  Standard deployment control system: Without seat track position sensor
―  Two-step deployment control system: With seat track position sensor

Outline

System malfunction location

Communication error with instrument cluster
Detection condition
•  SAS control module could not receive CAN signal from the instrument cluster.
Fail-safe
•  Not applicable
Possible cause
•  Malfunction in CAN line between the SAS control module and instrument cluster
•  Instrument cluster malfunction
•  Body control module (BCM) malfunction
•  SAS control module malfunction
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable


Diagnostic Procedure

•  Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)