P0014 = camshaft timing issue
P0017 = camshaft and crankshaft do not sync as they should.
Hands and diagnostic testing is needed.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops
RepairPal Certified shops can diagnose and repair your 2006 Chevrolet Trailblazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.