For 1990-2009 cars

### Circuit Description

This DTC identifies a malfunction within the SDM.

### Conditions for Running the DTC

Ignition 1 Voltage is within the normal operating voltage range.

### Conditions for Setting the DTC

An internal SDM malfunction exists.

### Action Taken When the DTC Sets

The SDM commands the AIR BAG indicator ON.

### Conditions for Clearing the DTC

• | The condition responsible for setting the DTC no longer exists and the scan tool Clear DTCs function is used.

• | A history DTC will clear once 250 malfunction free ignition cycles have occurred.

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: SIR Schematics
1 | Did you perform A Diagnostic System Check - SIR? | Go to Step 2 | Go to Diagnostic System Check - SIR
2 | Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement . Did you complete the replacement? | System OK | --