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 MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSKEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONSDIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Circuit/System Verification
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Circuit/System Verification
- Place the transmitter on the test pad of the J 43241
keyless entry tester and press each transmitter button one at a time, holding each button for three seconds. The tester should sound a tone and illuminate a green light for the entire three second button press.
- If one or more buttons does not sound the tone and illuminate the green light for the entire three seconds, replace the transmitter battery and retest with the J 43241 keyless entry tester. If the condition continues after battery replacement, replace the transmitter.
- Program the transmitter. Refer to Remote Control Door Lock Transmitter Learn . The transmitter should successfully complete the programming procedure.
- If the transmitter does not program, replace the keyless entry transmitter. If the new keyless entry transmitter does not complete the programming, replace the RCDLR.
- Operate the transmitter function while observing the vehicle. The vehicle should perform each of the corresponding functions when selected on the transmitter.
- If any of the vehicle functions are inoperative, replace the keyless entry transmitter. If the functions remain inoperative after replacement of the transmitter, replace the RCDLR.
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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.