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 MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 14 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION & PROCEDURESDTC B1016CIRCUIT/SYSTEM VERIFICATION
2011 GMC Savana Special 4.8 A
Circuit/System Verification
2011 GMC Savana Special 4.8 ASECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Program the VIN information to the module that set the DTC.
- Turn the ignition OFF, wait several seconds and then turn the ignition ON.
- Retrieve DTCs from the module that set the DTC. DTC B1016 should change to a history DTC.
- If this DTC is retrieved as a current DTC, replace the module that set the DTC.
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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.