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Home › Cadillac › 2001 › Eldorado ESC › Repair and Diagnosis (Single Page) › Body & Frame › Door Locks › Anti-Theft System › Diagnostic Tests › DTC P1630: Powertrain Control Module In Password Relearn › Code Enable Criteria

Code Enable Criteria

The following condition must occur for DTC to be stored:

Vehicle Theft Deterrent (VTD) system has allowed fuel delivery.
Powertrain Control Module (PCM) is in password learn mode.