P219A: 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 P219A 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

57 complaints filed with NHTSA mention P219A, 57 of them since 2015, across 20 different models. The component owners most often filed it under: fuel/propulsion system.

Most-reported models

VehicleComplaintsModel years reported
HONDA PILOT152016, 2017, 2019, 2020
HONDA ODYSSEY142018, 2019
HONDA FIT42017, 2018, 2019
FORD FOCUS32016, 2018

Manufacturer service bulletins that name P219A

219 technical service bulletins and manufacturer communications filed with NHTSA mention P219A, from 20 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FCA FCA, bulletin 10240014: Upon further investigation, there may be a DTC set in the Powertrain Control Module (PCM) for P219A-BANK 1 AIRFUEL RATIO IMBALANCE.
  • GMC ACADIA (2024, 2025), bulletin 11007820: This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P219A Set As Current Or History.
  • BUICK ENCLAVE (2024, 2025), bulletin 11007820: This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P219A Set As Current Or History.
  • CHEVROLET TRAVERSE (2024, 2025), bulletin 11007820: This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P219A Set As Current Or History.
  • FORD EXPLORER (2023, 2024, 2025), bulletin 11007963: Some 2023-2025 Explorer/Aviator vehicles equipped with the 3.0L EcoBoost engine and up to 15,000 miles (24,140 km) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P219A (Ban…
  • CHEVROLET TRAILBLAZER (2021, 2022, 2023, 2024), bulletin 11012013: This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.

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.