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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 650 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1374: Ignition 1 Input Is Inactive >> Test Description
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Test Description

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

4.  This step determines if the ignition 1 circuit is shorted to ground.

5.  This step determines if the BCM is internally shorted.

6.  This step determines if voltage is supplied from the battery to the fuse.

Fig 1: Identifying DTC B1374 Diagnostic Table
G01779815Courtesy of GENERAL MOTORS CORP.