Car Problem Reports

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

GMC Acadia Problem
8 Reports
Me Too

Model Years Affected: 2007, 2008, 2009, 2010

Average Mileage: 110,833 mi (77,500 mi - 150,000 mi)


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.

  • Visitor, , 150,000 mi

    P0011, P0014, P0021, P0024 codes
    Traction control is off.. engine light is on.
    Weekly issues with this vehicle.

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  • Visitor, , 77,500 mi

    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

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