Supplemental Inflatable Restraint (SIR)

Diagnostic Chart:

CIRCUIT DESCRIPTION

DTC 55 is an indication of a potential internal SDM malfunction and requires SDM replacement.

CONDITIONS FOR SETTING THE DTC

An internal malfunction is detected by the SDM.

ACTION TAKEN WHEN THE DTC SETS

^ The SDM turns ON the AIR BAG warning lamp.

^ The SDM sets a diagnostic trouble code.

CONDITIONS FOR CLEARING THE DTC

Current and History DTC codes must be cleared using a scan tool Clear DTC Information command. If the circuit fault has been successfully repaired and the conditions which caused the DTC to set are no longer existing, the DTC may be cleared using the scan tool. The SDM must be replaced for a Current DTC 55.

TEST DESCRIPTION

Then numbers below refer to step numbers on the diagnostic table.

2. This test checks for a Current DTC 55.

4. This test checks for a History DTC 55.