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Home >> Buick >> 2010 >> Lucerne Super >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System >> Diagnostic Information and Procedures >> DTC B138A >> Circuit/System Verification

Circuit/System Verification

Ignition ON, transmission in REVERSE, verify that the scan tool Sensor Voltage Feed Output parameter is 7.2 - 9.2 V.