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 MANUALSGMC2013SAVANA H1500, VAN CARGOREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2013 GMC Savana H1500, Van Cargo
Diagnostic Code Index
2013 GMC Savana H1500, Van CargoSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B302A | DTC B302A 00 Telematic Requested Immobilization |
| DTC B3031 | DTC B3031 00 Security System Controller In Learn Mode |
| DTC B3055 | DTC B3055 00 No Transponder Modulation or No Transponder |
| DTC B3060 | DTC B3060 00 Unprogrammed Transponder Identification Code Received |
| DTC B3935 | DTC B3935 57 Transponder Authentication Error |
| DTC B3976 | DTC B3976 46 Unconfigured Transponder/Vehicle Configuration Not Programmed |
| DTC P0513 | DTC P0513 Theft Deterrent Key Incorrect |
| DTC P0633 | DTC P0633 Theft Deterrent Key Not Programmed |
| DTC P1629 | DTC P1629 Theft Deterrent Fuel Enable Signal Not Received |
| DTC P162B | DTC P162B Remote Vehicle Speed Limiting Signal Message Counter Incorrect |
| DTC P1630 | DTC P1630 Theft Deterrent Learn Mode Active |
| DTC P1631 | DTC P1631 Theft Deterrent Fuel Enable Signal Not Correct |
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.