Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Cadillac CateraFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| Blower Control Module | Behind right side of dash, part of HVAC module. |
| Body Control Module (BCM) | Mounted on right "A" pillar, behind trim panel. |
| Driver Seat Adjuster Memory Module | On underside of driver's seat. |
| Electronic Brake/Traction Control Module (EBTCM) | On left front of engine compartment, mounted to lower rail. |
| Engine Control Module (ECM) | On left front of engine compartment, in ECM housing. See Figure . |
| Inflatable Restraint Sensing & Diagnostic & Seat Belt Pretensioner Module | Under center console, near parking brake lever. See Figure . |
| Power Steering Control Module | Under left side of dash. |
| Radio Antenna Amplifier | On top of rear deck, under trim panel. |
| Radio Speaker Amplifier | In rear compartment, in tray attached to rear deck. |
| Remote Control Door Lock Receiver | In rear compartment, below left side of rear window trim panel. |
| Sound Processor Interface | In rear compartment, below left side of rear window trim panel. |
| Sun Roof Actuator | At front center of roof, above rearview mirror. |
| Theft Deterrent Module | Mounted to ignition lock cylinder, upper right side of steering column. |
| Transmission Control Module (TCM) | Behind right side of dash. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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