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 MANUALSSATURN2009ASTRA XR, 4D HATCHBACK, AUTOMATICREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZERDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2009 Saturn Astra XR, 4D Hatchback, Automatic
Diagnostic Code Index
2009 Saturn Astra XR, 4D Hatchback, AutomaticSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1319 | B1319 04: Immobilizer Receiver Circuit Malfunction |
| DTC B3055 | B3055 00: Transponder Key Problem B3055 48: Wrong Transponder Key |
| DTC B3056 | B3056 00: No Transponder Key Programmed |
| DTC B3057 | B3057 00: Security Code Not Programmed |
| DTC B3077 | B3077 00: Wrong Transponder Type Detected |
| DTC B3755 | B3755 48: No Transponder Key Programmed |
| DTC B3899 | B3899 00: No Environment Identifier Learned |
| DTC B3900 | B3900 00: No Immobilizer Identifier Learned |
| DTC B3901 | B3901 00: Wrong Environment Identifier Received |
| DTC B3902 | B3902 00: No Immobilizer Identifier Learned |
| DTC B3925, B3929, or B3977 | B3925 00: Wrong Environment Identifier Received IPC (Instrument) B3929 00: Wrong Environment Identifier Received REC (Rear Electrical Centre) B3977 00: Wrong Environment Identifier Received UEC (Underhood Electrical Centre) |
| DTC P1648 | P1648: Immobilizer Wrong Security Code |
| DTC P1649 | P1649: Immobilizer Security Code Not Programmed |
| DTC P1678 or P1679 | P1678: Theft Deterrent System - Incorrect Environment Identification P1679: Theft Deterrent System - Incorrect Environment Identification |
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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.