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)QUICK LOOKUPSDTC INDEXCRUISE CONTROL SYSTEM - DIAGNOSTIC TROUBLE CODES
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Cruise Control System - Diagnostic Trouble Codes
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Cruise Control System - Diagnostic Trouble Codes
CRUISE CONTROL SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B3794 | DTC B3794 08 Cruise Control Function Request Circuit Signal Invalid DTC B3794 61 Cruise Control Function Request Circuit Actuator Stuck |
| DTC P0564, P0567, or P0568 | DTC P0564 Cruise Control Multifunction Switch Circuit DTC P0567 Cruise Control Resume Switch Circuit DTC P0568 Cruise Control Set Switch Circuit |
| DTC P0571 | DTC P0571 Cruise Control Brake Switch Circuit |
| DTC P0572 or P0573 | DTC P0572 Brake Switch Circuit 1 Low Voltage DTC P0573 Brake Switch Circuit 1 High Voltage |
| DTC P0575 | DTC P0575 Cruise Control Switch Signal Circuit |
| DTC P0703 | DTC P0703 Brake Switch Circuit |
| DTC P155A or P162C | DTC P155A 00 Cruise Control Switch State Undetermined DTC P162C 00 Vehicle Speed Limiting/Warning Switch Circuit Malfunction |
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.