The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391 on GMC Acadia

Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.

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Average mileage: 103,500 (77,500–150,000)
4 model years affected: 2007, 2008, 2009, 2010 more
10 people reported this problem
4 people shared problem details
2008 GMC Acadia150,000
P0011, P0014, P0021, P0024 codes Traction control is off.. engine light is on. Weekly issues with this vehicle.
3 people like thisFlag inappropiate
2008 GMC Acadia77,500
check engine light stays on and reduce engine power light comes on car stops , then wait a while then the engine light stays on but then the reduce power light goes off the car become drivable
1 person likes thisFlag inappropiate
2007 GMC Acadia78,000
This arcadia is so problematic is crazy.
2008 GMC Acadia107,000
Engine light and p0011 code
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