What does code P0790 mean?
A malfunction is detected in the Normal/Performance mode switch circuit.
OBD-II Code
P0790 — Normal/Performance Switch Circuit Malfunction
A malfunction is detected in the Normal/Performance mode switch circuit.
Common symptoms
- Transmission does not change driving mode
Possible causes
- Faulty mode switch
- wiring issues
Initial recommendation
Inspect the mode switch and verify circuit continuity.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0790 with your vehicle's actual symptoms for more complete diagnostic guidance.
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