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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC P1631 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The PCM receives an incorrect fuel enable password from the BCM.