DTC B1231 [TYPE B]


id0802d5801000


System Malfunction Location

•  SAS control module activation (deployment) control freeze

Detection Condition

Warning
•  Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.
•  SAS control module determined collision

Possible Causes

•  SAS control module malfunction

Diagnostic Procedure

Step

Inspection

Action

1
PERFORM DTC INSPECTION
•  Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [TYPE B].)
•  Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [TYPE B].)
•  Are the same DTCs present?
Yes
Replace the SAS control module.
No
DTC troubleshooting completed.