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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 502 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B3031: BCM Is In The Learn Mode But Does Not See A Valid Passlock™ Sensor Code >> Test Description

Test Description

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

The numbers below Refer to the step numbers on the diagnostic table.

  1. 3. Tests for the proper operation of the 12 volts sensor power circuit, sensor ground circuit, and Passlock™ data circuit. Troubleshoot the appropriate DTC prior to diagnosing DTC B3031.
    Fig 1: DTC B3031 Diagnostic Table
    G01831569Courtesy of GENERAL MOTORS CORP.
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