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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> DTC B1405 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6-15.0 V.