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.
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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 295 (IMMOBILIZER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Buick Terraza CXL, 3.5 L, AWD
Diagnostic Code Index
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B3006 | Hood Ajar Circuit Plausibility Failure |
| DTC B302A | Telematic Requested Immobilization |
| DTC B3031 | Security System Controller In Learn Mode |
| DTC B3055 | No Transponder Modulation or No Transponder |
| DTC B3060 | Unprogrammed Transponder Identification Code Received |
| DTC B3935 | Transponder Authentication Error |
| DTC B3976 | Unconfigured Transponder/Vehicle Configuration Not Programmed |
| DTC P0513 | Theft Deterrent Key Incorrect |
| DTC P0633 | Theft Deterrent Key Not Programmed |
| DTC P1629 | Theft Deterrent Fuel Enable Signal Not Received |
| DTC P1631 | Theft Deterrent Fuel Enable Signal Not Correct |
| DTC P1632 | Theft Deterrent Fuel Disable Signal Received |
RENDER: 1.0x
NO RELATED
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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.