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Pinpoint Test M : The Airbag Warning Indicator Is Never Or Always On: Notes

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Normal Operation and Fault Conditions 

See Airbag Warning Indicator. REFER to: INSTRUMENT PANEL CLUSTER (IPC) - SYSTEM OPERATION AND COMPONENT DESCRIPTION .

If the airbag indicator lamp request message is missing for less than 2 seconds, the IPC defaults the airbag warning indicator to its last state (on or off) based upon the last known good message received.

If the airbag indicator lamp request message is missing or is deemed invalid for 2 seconds or longer, the BCM and the IPC set DTC U0151:00. If the airbag indicator lamp request message is missing, the IPC defaults the airbag warning indicator on.

Possible Sources 

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