Hello, best to diagnose the problem before guessing at a sensor based on a trouble code.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops
The "estimator" tool is at www.repairpal.com/estimator
RepairPal Certified shops can diagnose and repair your 2011 Honda Pilot. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.