Test X: LFC 42/DTC B2441 - Driver Side Sensor Mounting Fault

X1:

X2:

X2 - X3:

X4 - X5:

X5 - X6:

Normal Operation
The driver side impact sensor monitors the severity of a crash event. If the crash event is severe enough, the sensor will signal the Restraints Control Module (RCM) to deploy the driver side air bag.

The RCM monitors the two-wire current loop to the driver side impact sensor for a signal that is out of the expected range. If the RCM detects a signal from the driver side impact sensor, indicating a sensor mounting fault, it will store Diagnostic Trouble Code (DTC) B2441 and flash a Lamp Fault Code (LFC) 42 (or a higher priority code if one exists) on the air bag indicator.

Possible Causes
A driver side impact sensor mounting fault can be caused by:
^ damaged driver side impact sensor.
^ corrosion or damage at the sensor mounting surface.