Tests AA: LFC 42/DTC B2441 - Driver Side Crash Sensor Mounting Fault

AA1:

AA2 - AA4:

Normal Operation

CAUTION: The crash sensors are sensitive electronic devices. To avoid possible component damage, do not attempt to test crash sensors with an ohmmeter.

The Restraints Control Module (RCM) monitors the communications link to the driver side crash sensor at RCM C310b pins 13 and 14, circuits 1261 (WH/LG) and 1262 (BN/LG). If the RCM receives a mounting failure message from the driver side crash sensor, it will store Diagnostic Trouble Code (DTC) B2441 in memory and flash Lamp Fault Code (LFC) 42 (or higher Priority code if one exists) on the air bag indicator.

Possible Causes
A driver side crash sensor mounting failure can be caused by:
^ a driver side crash sensor internal fault.
^ a driver side crash sensor mounting failure.
^ an RCM internal concern.