When the ignition is turned ON, the inflatable restraint sensing and diagnostic module (SDM) performs tests to diagnose critical malfunctions within the passenger presence system (PPS) module. When the SDM has completed the power-up mode, the SDM will establish communication with the PPS module. The SDM will increase a fault counter with each ignition cycle that a fault exists with the PPS module. The SDM will lock out the PPS module after a predetermined ignition cycle count maximum has been reached.

Ignition voltage is between 9-16 volts.

Important: DTC B0092 or DTC B0098 will set if the PPS has a malfunction, and has set any one of the following DTCs 023, 024, 063, 064, or 065. When DTC B0092 or DTC B0098 is present, it is important to check the PPS for any current DTC. Refer to Passenger Presence System Flash Code Procedures. If the PPS has any current DTC, address those DTC before performing this diagnostic procedure.

Any repair performed on the original PPS module will not clear DTC B1530.

Schematic Reference

SIR Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

SIR System Description and Operation

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information

1. Ignition OFF, replace the PPS module.
2. Ignition ON, verify B1530 is not current.

⇒	If B1530 is current, replace the SDM.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.