1996 Cadillac Seville STSFACTORY OEM SERVICE PROCEDURE

Body Control Module (BCM): Installation

  1. Install BCM and reconnect harness connectors. Install rear seat back and cushion. Install 10-amp COMFORT fuse in trunk compartment fuse block. Reconnect negative battery cable.
  2. Reprogram PZM override PZ S33 according to following values.
    • K = Seville = 4
    • Ksp = DeVille/Concours = 5
  3. Press and hold DEFROST and AUTO buttons on CCP until display flashes. Cycle ignition. Clear DTCs.
Fig 1: Locating BCM (Concours, DeVille & Seville)
G95G35176Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.