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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1579 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1440: Monitored Ignition Switch Circuits Has Malfunctioned >> Conditions for Setting the DTC >> Notes

Conditions for Setting the DTC: Notes

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

One of the 3 monitored ignition switch circuits has malfunctioned. The DTC will set, if one of the following situations is present:

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