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TuningBot DTC Database · v4.37.15

P278E Transmission kick - down switch - circuit intermittent/erratic

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

P · PowertrainEngineOBD2

What P278E means

P278E
Transmission kick - down switch - circuit intermittent/erratic Generic · engine Data confidence 78%

The control module detected an unstable or intermittent signal in the Transmission kick - down switch circuit.

Possible causes

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

Related and nearby codes

How to read P278E

P

Powertrain: engine, transmission and driveline systems.

2

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

78E

Specific fault index within the subsystem.

Frequently asked questions about P278E

What does P278E mean?

Transmission kick - down switch - circuit intermittent/erratic. The control module detected an unstable or intermittent signal in the Transmission kick - down switch circuit.

Is P278E generic or manufacturer-specific?

P278E is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P278E 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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