Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
There is a factory service bulletin for the following GMC models:
2007-2012 GMC Acadia
2010-2012 GMC Terrain
GMC Factory Service Bulletin OBDII Code P0009
The cost to diagnose the P0009 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The ECM detects that both camshafts on either bank of the engine are mis-aligned with the crankshaft for more than 4 seconds or a cumulative of 50 seconds.
Need more information on how to fix the P0009 GMC code? Get Access to Factory Service Manuals
Get the P0009 GMC code diagnosed by a professional: Find a repair shop in your area