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Home >> Oldsmobile >> 2001 >> Intrigue GL >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Anti-Theft System) >> Diagnostic Tests >> DTC P1630: Powertrain Control Module In Password Relearn >> Diagnostic Aids
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Diagnostic Aids

WARNING: This page is about a different car, the 2001 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

New Powertrain Control Module (PCM) will be in a functional state to learn password from Instrument Panel Cluster (IPC). If IPC is replaced, PCM must be placed in password learning mode to relearn new password. Once learned, password becomes permanent information that remains with vehicle. Loss of PCM battery or ignition voltage will not affect programmed password information.

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