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TuningBot DTC Database · v4.37.15

P278D Transmission kick - down switch - circuit high

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

P · PowertrainEngineOBD2

What P278D means

P278D
Transmission kick - down switch - circuit high Generic · engine Data confidence 78%

The control module detected that the signal in the Transmission kick - down switch circuit stayed above the expected operating range.

Possible causes

  • Wiring
  • transmission kick - down switch
  • TCM
  • ECM

Related and nearby codes

How to read P278D

P

Powertrain: engine, transmission and driveline systems.

2

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

78D

Specific fault index within the subsystem.

Frequently asked questions about P278D

What does P278D mean?

Transmission kick - down switch - circuit high. The control module detected that the signal in the Transmission kick - down switch circuit stayed above the expected operating range.

Is P278D generic or manufacturer-specific?

P278D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P278D 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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