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.
2001 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Body Control Module (BCM) | In console, attached to console accessory wiring junction block. |
| Cruise Control Module | At left side of engine compartment, near strut tower. See Figure . |
| Electronic Brake Control Module (EBCM) | Left side of engine compartment. See Figure . |
| Engine Coolant Level Indicator Module | On right rear side of radiator. |
| Ignition Control Module (ICM) | On top of right valve cover. |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Under right front seat. |
| Passkey Module | On top of steering column, at ignition switch. See Figure . |
| Powertrain Control Module (PCM) | At left side of engine compartment, in air cleaner assembly. See Figure . |
| Sunroof Control Module | In roof. |
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.