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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System - Park Assist System >> Diagnostic Information and Procedures >> DTC B1405 >> Circuit/System Verification

Circuit/System Verification

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.