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TuningBot DTC Database · v4.37.15

P219A Bank 1 Air/Fuel Ratio Imbalance

Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

P219A
Bank 1 Air/Fuel Ratio Imbalance Generic · engine Data confidence 85%

The control module detected a fault associated with the Bank 1 Air/Fuel Ratio Imbalance circuit or function; the stored code identifies the affected component rather than a single failure mode.

Manufacturer-specific interpretations

Ford

1 interpretation
P219A:00
Bank 1 Air-Fuel Ratio Imbalance Ford · fuel Data confidence 94%

Ford documents P219A:00 (no sub type information) for its 2024-2025 gasoline-engine OBD monitor strategy as bank 1 air-fuel ratio imbalance. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years

Related and nearby codes

How to read P219A

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

19A

Specific fault index within the subsystem.

Frequently asked questions about P219A

What does P219A mean?

Bank 1 Air/Fuel Ratio Imbalance. The control module detected a fault associated with the Bank 1 Air/Fuel Ratio Imbalance circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P219A generic or manufacturer-specific?

P219A exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove P219A at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Ford engines See the results →

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