P2229: 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 P2229 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

No consumer complaints filed with NHTSA mention P2229. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name P2229

5 technical service bulletins and manufacturer communications filed with NHTSA mention P2229, from 5 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • MAZDA MAZDA6 (2018, 2019, 2020), bulletin 10176966: Some customers may experience the CHECK ENGINE light ON with DTC P2229:00 stored in PCM memory. P2229:00 (BARO sensor circuit high input). This concern will most likely occur on vehicles that have aftermarket wax applied…
  • BUICK ENCLAVE (2013, 2014), bulletin 10134752: This preliminary informational bulletin provides information for Diagnostic Tips for DTCs P0097, P00F4, P0113, P2229 and/or P0102 Set
  • CADILLAC ATS (2013, 2014), bulletin 10134752: This preliminary informational bulletin provides information for Diagnostic Tips for DTCs P0097, P00F4, P0113, P2229 and/or P0102 Set
  • CHEVROLET CAPTIVA (2013, 2014), bulletin 10134752: This preliminary informational bulletin provides information for Diagnostic Tips for DTCs P0097, P00F4, P0113, P2229 and/or P0102 Set
  • GMC ACADIA (2013, 2014), bulletin 10134752: This preliminary informational bulletin provides information for Diagnostic Tips for DTCs P0097, P00F4, P0113, P2229 and/or P0102 Set

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.