2001 Cadillac Seville STSFACTORY OEM SERVICE PROCEDURE

Powertrain Control Module

After replacing Powertrain Control Module (PCM) or if program needs to be updated, refer to latest Techline information on PCM reprogramming. PCM can only be programmed using Tech 2 and Techline terminal, or by using a personal computer equipped with the current service programming system software installed. After reprogramming, perform INSPECTION/MAINTENANCE PROCEDURES , CRANKSHAFT POSITION SENSOR SYSTEM VARIATION LEARN PROCEDURE , OIL LIFE INDEX RESET , IDLE LEARN PROCEDURE  and PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS  .

Factory Service Tools

Use the Manual With the Right Hardware

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

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When to See a Mechanic

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

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