P0011 Chevrolet Tahoe
Intake Camshaft Position Timing Over-Advanced (Bank 1) · Powertrain Code · High
What is P0011?
The intake camshaft timing on bank 1 is more advanced than the ECM commanded. Usually caused by a stuck VVT solenoid, dirty engine oil, or timing chain stretch.
When the Chevrolet Tahoe triggers code P0011 (intake camshaft position timing over-advanced (bank 1)), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Chevrolet Tahoe.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Chevrolet Tahoe.
Common Causes on Chevrolet Tahoe
- Cam phaser stuck advanced on 5.3L or 6.2L V8 (same as truck platform)
- VVT solenoid allowing excessive advance from wear or contamination
- Low oil pressure from high mileage and AFM oil consumption
- Degraded oil from extended service interval on towing vehicles
Symptoms
- Rough idle with noticeable engine vibration
- Poor fuel economy from incorrect valve timing
- Engine stalling at idle or low RPM
- Hard starting especially when engine is warm
- Rattling noise from engine timing area
- Check engine light illuminated
Notes for Chevrolet Tahoe
Tahoe/Suburban/Yukon cam phaser replacement is identical to truck platform; labor-intensive.