LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2000 >> Eldorado ESC >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> Description >> Platform Zone Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Platform Zone Module

PZM is part of an electrical network that controls various engine and body subsystems. PZM is located behind rear seat back and is attached to the electronics bay board. See Fig 1 . PZM controls HVAC afterblow control, battery guard, door lock and unlock, fuel level, retained accessory power, theft deterrent, exterior and interior lighting control, trunk release, time of day for radio display, rear defogger, fuel door release, and vehicle personalization.

Fig 1: Locating Components Attached To Electronics Bay Board
G97A28167Courtesy of GENERAL MOTORS CORP.