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

Normal Operation and Fault Conditions
See Airbag Warning Indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

If the airbag indicator request message is missing for less than 5 seconds, the IPC defaults the airbag warning indicator to its last state (on or off) based upon the last message received.

If the airbag indicator request message is missing for 5 seconds or longer, the IPC defaults the airbag warning indicator on.

Possible Sources
- Communication concern
- SRS
- GWM
- IPC

K1 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to DTC Chart: IPC .

No GO to K2

K2 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to: Communications Network .

No GO to K3

K3 CARRY OUT THE IPC (INSTRUMENT PANEL CLUSTER) INDICATOR LAMP CONTROL ACTIVE COMMAND USING A DIAGNOSTIC SCAN TOOL

Using a diagnostic scan tool, view the IPC Parameter Identifications (PIDs).

Select the IPC airbag warning indicator (AIRBAG_LMP) PID.

Command the airbag warning indicator on then off while observing the airbag warning indicator.

Does the airbag warning indicator illuminate when commanded on and turn off when commanded off?

Yes	If the airbag warning indicator is never on, the system is operating correctly. If the airbag warning indicator is always on, DIAGNOSE the SRS. REFER to: Airbag Supplemental Restraint System (SRS) .

No	INSTALL a new IPC. Refer to Instrument Panel Cluster (IPC)