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
Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| DTC P0218 | TFT is greater than 130°C (266°F) |
| DTC P0502 | TRANSMISSION OUTPUT SPEED LESS THan 150 RPM |
| DTC P0503 | Unrealistically Large Drop In Vehicle Speed |
| DTC P0706 | Start-Up In A Drive Range Or Vehicle Speed In PARK Or NEUTRAL |
| DTC P0711 | TFT No Or High Change |
| DTC P0712 | Continuous Short To Ground In TFT Signal Circuit Or TFT Sensor |
| DTC P0713 | Continuous Open Or Short To Power In TFT Signal Circuit Or TFT Sensor |
| DTC P0719 | Brake Switch Circuit |
| DTC P0724 | Closed Brake Switch Circuit |
| DTC P0740 | TCC Solenoid Valve Circuit |
| DTC P0742 | Low Torque Converter Slip |
| DTC P0748 | PC solenoid valve circuit |
| DTC P0751 | 2-2-3-3 Shift Pattern |
| DTC P0752 | 1-1-4-4 Shift Pattern |
| DTC P0753 | 1-2 SS Valve Circuit |
| DTC P0756 | 4-3-3-4 Shift Pattern |
| DTC P0757 | 1-2-2-1 Shift Pattern |
| DTC P0758 | 2-3 SS Valve Circuit |
| DTC P0785 | 3-2 SS Valve Assembly Circuit |
| DTC P0894 | Excessive TCC Slip |
| DTC P1810 | Invalid State Of TFP Manual Valve Position Switch Circuit |
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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