P0009: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P0009 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

7 complaints filed with NHTSA mention P0009, 6 of them since 2015, across 4 different models. The component owners most often filed it under: engine.

Most-reported models

VehicleComplaintsModel years reported
CHEVROLET TRAVERSE32010, 2011

Manufacturer service bulletins that name P0009

42 technical service bulletins and manufacturer communications filed with NHTSA mention P0009, from 6 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • BUICK BUICK (2008, 2009, 2010, 2011), bulletin 10144453: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…
  • CADILLAC ATS (2013, 2014, 2015, 2016), bulletin 10144453: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…
  • CHEVROLET CAMARO (2010, 2011, 2012, 2013), bulletin 10144453: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…
  • BUICK ENCLAVE (2008, 2009, 2010, 2011), bulletin 10137734: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…
  • GMC ACADIA (2007, 2008, 2009, 2010), bulletin 10144453: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…
  • BUICK LACROSSE (2005, 2006, 2007, 2008), bulletin 10114862: This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chai…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.