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
Component Locations
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| Body Control Module (BCM) | Mounted On Right Kick Panel, Behind Trim Panel |
| Data Link Connector (DLC) | On Instrument Panel Carrier, To Left Of Steering Column |
| Daytime Running Lamp (DRL) Relay (K133) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral I |
| Door Lock Relay | Behind BCM |
| Electronic Brake/Traction Control Module (EBTCM) | Left Front Side Of Engine Compartment, Mounted To Lower Rail |
| Engine Control Module (ECM) | Left Front Corner Of Engine Compartment, In ECM Housing, Above Battery |
| Fuse Block | Under Left Side Of Instrument Panel, To Lower Left Of Steering Column |
| Heater-A/C Control | Center Of Instrument Panel, Above Radio |
| Left High Beam Headlamp Relay (K73) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral XI |
| Low Beam Relay (K131) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral VIII |
| Multifunction Relay (K134) | Under Left Side Of Instrument Panel, To Lower Left Of Steering Column |
| Left High Beam Headlamp Relay (K73) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral XI |
| Park Lamp Relay (K130) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral VII |
| Radio Interface Module (RIM) | In Rear Compartment, On Side Trim Assembly |
| Relay Box | Under Left Side Of Instrument Panel, To Right Of Steering Column |
| Remote Control Door Lock Receiver (1st Design) | On Left Side Of Rear Compartment, On Strut Tower |
| Right High Beam Headlamp Relay (K132) | On Relay Box On Right Side Of Steering Column, Labeled Roman Numeral V |
| Power Distribution Fuse Block | In Left Front Corner Of Engine Compartment, Mounted To ECM Housing, Above Battery |
| Supplemental Inflatable Restraint (SIR) Module | Under Center Console, Behind Parking Brake Lever |
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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