2000 Cadillac DeVille BaseFACTORY OEM SERVICE PROCEDURE

Instrument Panel Module

The Instrument Panel Module (IPM) is part of the A/C-heater control panel located in center of the instrument panel, above radio. See Fig 1 . IPM controlled functions include front HVAC air delivery and temperature controls, ambient light sensor input/twilight delay input for headlights control, foglight switch inputs, IP dimmer switch input, traction control switch input, interior lights switch input, key in ignition switch input from ignition switch, fuel door/rear compartment lid release switch input and ignition switch headlight control.

Fig 1: Locating Instrument Panel Module
G00011701Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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