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 MANUALSCHEVROLET2015SILVERADO 1500 HIGH COUNTRY, 5.3L ENG VIN C, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSIMMOBILIZER SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B3031: SECURITY CONTROLLER IN LEARN MODECIRCUIT/SYSTEM VERIFICATION
2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, Gas
Circuit/System Verification
2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, GasSECTION Circuit/System Verification
- Perform the Replacing Keys procedure. Refer to Replacing Keys .
- Verify the K9 Body Control Module learns the vehicle key and exits the learn coded key state. The scan tool Master Keys Learned parameter should increment to 1.
- If the K9 Body Control Module does not exit the learn coded key state after the programming attempt
Replace the K9 Body Control Module
- If the K9 Body Control Module exits the learn coded key state after the programming attempt
- If the K9 Body Control Module does not exit the learn coded key state after the programming attempt
- All OK.
RENDER: 1.0x
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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.