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 MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 159 (IMMOBILIZER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2013 Buick Regal Turbo Premium, Standard Trans
Diagnostic Code Index
2013 Buick Regal Turbo Premium, Standard TransSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B2955 (with BTM) | DTC B2955 00 Security Sensor Data Circuit Malfunction |
| DTC B2955 (without BTM) | DTC B2955 00 Security Sensor Data Circuit Malfunction |
| DTC B302A | DTC B302A 00 Mobile Telephone Communications Interface Requested Immobilization Malfunction |
| DTC B3031 | DTC B3031 00 Security Controller In Learn Mode Malfunction |
| DTC B3055 | DTC B3055 00 No Transponder Modulation or No Transponder |
| DTC B305C | DTC B305C 00 Immobilizer Transponder of Wrong Type Programmed |
| DTC B3060 | DTC B3060 00 Unprogrammed Transponder Identification Code Received Malfunction |
| DTC B389A | DTC B389A 00 Environment Identification |
| DTC B3902 | DTC B3902 00 Incorrect Immobilizer Identifier Received |
| DTC B3935 | DTC B3935 00 Transponder Authentication Error |
| DTC B3976 | DTC B3976 00 Unconfigured Transponder |
| DTC B3984 | DTC B3984 00 Device 1 Environment Identifier Not Programmable |
| DTC P0513 | DTC P0513 Immobilizer Key Incorrect |
| DTC P0633 | DTC P0633 Immobilizer Key Not Programmed |
| DTC P162B | DTC P162B Remote Vehicle Speed Limiting Signal Message Counter Incorrect |
| DTC P1631 | DTC P1631 Immobilizer Fuel Enable Signal Not Correct |
| DTC P1649 | DTC P1649 Immobilizer Security Code Not Programmed |
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.