B1071 - Internal SDM Failure

Circuit Description

DTC B1071 is an indication of a potential internal Inflatable Restraint Sensing and Diagnostic Module (SDM) malfunction. DTC B1071 will set upon the detection of any condition in the table below.

Conditions for Setting the DTC






Action Taken When the DTC Sets

^ The SDM sets a diagnostic trouble code.

^ The SDM turns ON the AIR BAG Warning Indicator.

Conditions for Clearing the MIL/DTC

^ Current DTC

The malfunction has not been detected for 500 milliseconds.

^ History DTC

- You issue a scan tool CLEAR CODES command.

- 250 malfunction free ignition cycles have occurred.

Diagnostic Aids

When you issue a scan tool CLEAR CODES command, some of the indicated malfunctions will only allow the AIR BAG warning lamp to turn off briefly, then turn back ON.