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TuningBot DTC Database · v4.37.15

P0790 Normal/Performance Switch Circuit Malfunction

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

P · PowertrainTransmissionOBD2

What P0790 means

P0790
Normal/Performance Switch Circuit Malfunction Generic · transmission Data confidence 78%

The control module detected improper operation of the Normal/Performance Switch circuit.

Possible causes

  • Wiring
  • transmission mode selection switch
  • ECM/PCM!TCM

Related and nearby codes

How to read P0790

P

Powertrain: engine, transmission and driveline systems.

0

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

790

Specific fault index within the subsystem.

Frequently asked questions about P0790

What does P0790 mean?

Normal/Performance Switch Circuit Malfunction. The control module detected improper operation of the Normal/Performance Switch circuit.

Is P0790 generic or manufacturer-specific?

P0790 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0790 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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