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.
2004 Pontiac GTO AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Accelerator And Servo Control Module (ASM) | Left kick panel. See Figure . |
| Antenna/Rear Defogger Module | Left side of rear window. See Figure . |
| Body Control Module (BCM) | Below right side of dash. See Figure . |
| Body Control Module (BCM) Connector | Below right side of dash. See Figure . |
| Cruise Control Module | Right side of engine compartment. See Figure . |
| Cruise Control Module Connector | Right side of engine compartment. See Figure . |
| Electronic Brake Control Module (EBCM) | Right side of engine compartment. See Figure . |
| Electronic Brake Control Module (EBCM) Connector | Right side of engine compartment. See Figure . |
| HVAC Control Assembly | Center of dash, under radio. |
| Ignition Coils/Modules Bank 2 | On right valve cover. See Figure . |
| Ignition Coils/Modules Bank 2 | On left valve cover. See Figure . |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Below center console. See Figure . |
| Powertrain Control Module (PCM) | Left side of engine compartment. See Figure . |
| Powertrain Interface Module | Left rear of engine compartment. See Figure . |
| Radio Antenna Amplifier Module | Behind left rear quarter window. |
| Remote Control Door Lock Receiver | Center top 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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