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TuningBot DTC Database · v4.37.15

P279A Transfer Case Gear High Incorrect Ratio

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P279A means

P279A
Transfer Case Gear High Incorrect Ratio Generic · engine Data confidence 78%

The control module detected that the measured gear ratio did not match the commanded gear (Transfer Case Gear High).

Related and nearby codes

How to read P279A

P

Powertrain: engine, transmission and driveline systems.

2

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

79A

Specific fault index within the subsystem.

Frequently asked questions about P279A

What does P279A mean?

Transfer Case Gear High Incorrect Ratio. The control module detected that the measured gear ratio did not match the commanded gear (Transfer Case Gear High).

Is P279A generic or manufacturer-specific?

P279A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P279A 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

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