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Home >> Oldsmobile >> 1998 >> Intrigue Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Body Control Modules) >> Diagnostic Tests >> DTC B3033: Security System Indicates Tamper >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.

This DTC indicates the BCM is receiving incorrect data from Passlock(R) sensor. DTC B3033 will set when ignition 0 is active and Passlock(R) data voltage is incorrect for 3 consecutive data reads (approximately 1 second). When DTC sets the BCM will enter tamper mode. The vehicle will not start and the SECURITY indicator will flash for 10 minutes.

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