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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1246 (ENGINE CONTROL SYSTEM & FUEL - HYBRID (HP2) 6.0L (LFA) - DTC P0010 TO DTC P0230)DTC P0016CIRCUIT/SYSTEM TESTING
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Circuit/System Testing
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
You must perform the Circuit/System Verification before proceeding with Circuit/System Testing.
- Ignition OFF, open the hood to disable the Auto-Stop function. Refer to Hybrid Modes of Operation Description .
- Ignition ON, verify the scan tool hood position parameter displays Open.
- If the hood position does not display Open, refer to Diagnostic Trouble Code (DTC) List - Vehicle for DTC P254F.
- Inspect the engine front cover area or review the service history of the vehicle for any recent repairs involving the timing chain, the timing chain tensioner, the camshaft, the crankshaft, the camshaft actuator, or the sprockets.
- If recent repairs were made, refer to Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator and Solenoid Valve Replacement and inspect the timing chain, the timing chain tensioner, and both sprockets for proper timing alignment or indexing.
- Remove the engine front cover. Refer to Camshaft Position Actuator Replacement
and inspect the camshaft position actuator for wear or damage. Refer to Camshaft Position Actuator Cleaning and Inspection
.
- If any components are worn or damaged, replace as necessary.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.