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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Object Detection System - Park Assist 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.

Ignition ON, transmission in REVERSE, observe the scan tool Park Assist Sensors Reference Voltage parameter. The reading should be between 6.3-10.4 V.