DTC 3B Front Sub Sensor LH False Installation: DTC Detecting Condition

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Front sub sensor (LH) is misinstalled.

DIAGNOSTIC PROCEDURE CHART

Step	Check	Yes	No
1 REPLACE FRONT SUB SENSOR. Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. Replace the front sub sensor (LH) with a genuine sensor. < Ref. to REMOVAL , Front Sub Sensor. >	Does the warning light go off?	Finish the diagnosis.	Replace the airbag control module. < Ref. to REMOVAL , Airbag Control Module. >