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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1291 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0072 or B0073 >> Conditions for Setting the DTC >> B0072 01, B0073 01

B0072 01, B0073 01

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The SDM detects the seat switch signal circuit or low reference circuit is shorted to voltage for 500 milliseconds.