DTC B1921


B3E080201046W17

DTC B1921

Air bag diagnostic monitor ground circuit open

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 configuration has not been performed.

POSSIBLE CAUSE

• No SAS control module configuration
• SAS control module malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT SAS CONTROL MODULE
• Using the WDS or equivalent, perform SAS control module configuration.
• Is DTC B1921 indicated?
Yes
Replace the SAS control module.
No
DTC troubleshooting completed.