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.
2011 Chevrolet Cruze LS, AutomaticFACTORY OEM SERVICE PROCEDURE
Immobilizer System Diagnostic Code Index
IMMOBILIZER SYSTEM DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B2955 | B2955 00: Security Sensor Data Circuit |
| DTC B3006 | B3006 01: Hood Ajar Circuit Short to Battery B3006 02: Hood Ajar Circuit Short to Ground B3006 04: Hood Ajar Circuit Open |
| DTC B302A | B302A 00: Mobile Telephone Communications Interface Requested Immobilization Malfunction |
| DTC B3031 | B3031 00: Security Controller In Learn Mode Malfunction |
| DTC B3055 | B3055 00: No Transponder Modulation or No Transponder |
| DTC B3060 | B3060 00: Unprogrammed Transponder Identification Code Received Malfunction |
| DTC B389A | B389A 00: Environment Identification |
| DTC B3902 | B3902 00: Incorrect Immobilizer Identifier Received |
| DTC B3935 | B3935 00: Transponder Authentication Error |
| DTC B3976 | B3976 00: Unconfigured Transponder |
| DTC B3984 | B3984 00: Device 1 Environment Identifier Not Programmable |
| DTC P0513 | P0513: Immobilizer Key Incorrect |
| DTC P0633 | P0633: Immobilizer Key Not Programmed |
| DTC P162B | P162B: Remote Vehicle Speed Limiting Signal Message Counter Incorrect |
| DTC P1631 | P1631: Immobilizer Fuel Enable Signal Not Correct |
| DTC P1649 | P1649: Immobilizer Security Code Not Programmed |
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.