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Home >> Oldsmobile >> 1998 >> Bravada >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> Diagnosis & Testing >> DTC B3148: Passenger Door Unlock Circuit High >> Circuit Description

Circuit Description

TBC module monitors circuit No. 194 (White wire) as an input to determine if passenger door lock relay circuit is shorted to battery voltage. See WIRING DIAGRAMS  . When circuit is shorted to battery voltage, DTC will set.

Conditions for setting DTC:

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