Astro Van 2WD V6-4.3L VIN W (2001)
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If Ignition 1 voltage is outside of the normal operating voltage range (9-16 volts), the AIR BAG indicator will come ON solid with no DTCs set.
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The loss of serial data communication between the SDM and the Instrument Panel Cluster (IPC) will cause the AIR BAG indicator to come ON
solid. Refer to DTC's U1001-U1254.
TEST DESCRIPTION
Steps 1-6
