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TuningBot DTC Database · v4.37.15

P1173 Land Rover - Downstream fuel trim (FT), bank 2 - malfunction

Manufacturer-specific interpretation for Land Rover. All interpretations of P1173

P · PowertrainFuelOBD2

What P1173 means

P1173
Downstream fuel trim (FT), bank 2 - malfunction Land Rover · fuel Data confidence 62%

The control module detected improper operation of the Downstream fuel trim (FT), bank 2. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Intake/fuel system
  • injectors
  • HO2S
  • MAF/VAF sensor
  • ECT sensor

Related and nearby codes

How to read P1173

P

Powertrain: engine, transmission and driveline systems.

1

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

173

Specific fault index within the subsystem.

Frequently asked questions about P1173

What does P1173 mean?

Downstream fuel trim (FT), bank 2 - malfunction. The control module detected improper operation of the Downstream fuel trim (FT), bank 2. This is the manufacturer-specific definition used by Land Rover.

Is P1173 generic or manufacturer-specific?

P1173 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 P1173 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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