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TuningBot DTC Database · v4.37.15

P1189 Land Rover - Fuel trim (FT), bank 2 - adaptation

Manufacturer-specific interpretation for Land Rover. All interpretations of P1189

P · PowertrainFuelOBD2

What P1189 means

P1189
Fuel trim (FT), bank 2 - adaptation Land Rover · fuel Data confidence 62%

The control module detected a fault associated with the Fuel trim (FT), bank 2 - adaptation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Intake/fuel system
  • injectors
  • H025
  • MAF/VAF sensor
  • ECT sensor

Related and nearby codes

How to read P1189

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

189

Specific fault index within the subsystem.

Frequently asked questions about P1189

What does P1189 mean?

Fuel trim (FT), bank 2 - adaptation. The control module detected a fault associated with the Fuel trim (FT), bank 2 - adaptation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Is P1189 generic or manufacturer-specific?

P1189 is a manufacturer-specific code. In this database it is documented for: Land Rover. The same number can mean something different on other brands.

Can TuningBot remove P1189 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 Land Rover engines See the results →

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