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 VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 6.6L (LGH) - DTC P0016 THROUGH DTC P11DC)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P0315TESTINGCIRCUIT/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 is about a different variant/trim than selected.
- Ignition ON, monitor the following parameters with a scan tool. Both parameters should display: Complete.
- CKP Zone 2 Variation Learn Status
- CKP Zone 1 Variation Learn Status
- Operate the vehicle within the Conditions for Running the DTC to verify that the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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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.