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 MANUALSGMC2016ACADIA SLT, FWDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXIMMOBILIZER SYSTEM - DIAGNOSTIC TROUBLE CODES
2016 GMC Acadia SLT, FWD
Immobilizer System - Diagnostic Trouble Codes
2016 GMC Acadia SLT, FWDSECTION Immobilizer System - Diagnostic Trouble Codes
IMMOBILIZER SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0996 | Vehicle Electronic Control Unit (ECU) VIN Check Error |
| 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 P162B | Remote Vehicle Speed Limiting Signal Message Counter Incorrect |
| 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.