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.
2002 Pontiac Firebird Formula, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Description | Perform Test | ||
|---|---|---|---|---|
| 12 | Diagnostic System Check | DTC 12 | ||
| 41 | Body Control Module Received Valid Message From Remote Transmitter | DTC 41 | ||
| 42 | Remote Transmitter Not Assigned To Body Control Module | DTC 42 | ||
| 43 | Body Control Module With Sumcheck Error | DTC 43 | ||
| 44 | Body Control Module With Encryption Error | DTC 44 | ||
| 45 | Processing In 20-Second Lock-Out | DTC 45 | ||
| 55 | Begin Configuration Display | DTC 55 | ||
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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.