Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when ignition voltage is present at SDM and driver deployment loop resistance is more than 4.8 ohms or voltage in circuit 2135 is less than 2.4 volts with deployment loop resistance over 6 ohms. Fault must be present for 0.5 second.