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.
2005 Chevrolet ClassicFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Body Control Module (BCM) | Below right side of dash, near blower motor. See Figure . |
| Brake Pressure Modulator Valve (BPMV) | At lower left front of engine compartment. See Figure . |
| Cruise Control Module (CCM) | On right side of engine compartment. See Figure . |
| Electronic Brake Control Module (EBCM) | Inside left front fender. See Figure . |
| ICM Interconnect | On top left side of engine. See Figure . |
| Ignition Control Module (ICM) | On top left side of engine. See Figure . |
| Inflatable Restraint I/P Module Connector | Right side of dash. See Figure . |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Under right front seat. See Figure . |
| Inflatable Restraint Steering Wheel Module Connector | Left side of dash, near fuse block. See Figure . |
| I/P Dimming Module | On left side of dash. See Figure . |
| Powertrain Control Module (PCM) Connectors | Below left side of dash, near steering column. See Figure . |
| Remote Control Door Lock Receiver | On rear package shelf. See Figure . |
| Sunroof Module | In headliner. See Figure . |
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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