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
Powertrain Control Module: Installation
- Install harness connectors to PCM.
- Install PCM into air cleaner assembly.
- Install air cleaner assembly cover.
- Tighten air cleaner assembly cover retainers.
- Install left sheet metal diagonal brace to air cleaner assembly.
- Connect negative battery cable.
- If a new PCM is being installed, program EEPROM. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
Factory Service Tools
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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.