Fault Code P0790
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0790
Normal/Performance Switch Circuit
This code indicates a malfunction in the circuit of the switch that allows selection between 'Normal' and 'Performance' (or similar) driving modes in the transmission. The fault does not directly affect basic gear shifts but may prevent changing driving modes. It usually won't cause severe driving issues.
Part Details
Part Name
Mode Select Switch
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪900
Engine Location
Driver's Compartment/Transmission
Symptoms
- Cannot change driving mode (Normal/Sport/Economy)
- Driving mode indicator light not working
- Check Engine Light on
- Transmission response does not change between modes
Possible Causes
- 1Faulty mode select switch
- 2Damaged wiring or short circuit in switch circuit
- 3Loose connection or corrosion in the connector
- 4Problem with Transmission Control Module (TCM) (less likely)
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Purchase Mode Select Switch Online
P/N: N/A — Search and purchase the part from the following sites:
eBay
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Amazon
Fast shipping available
AliExpress
Low prices and free shipping
RockAuto
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Spare parts from Europe
Spareto
OEM and aftermarket parts
Cars245
European parts at good prices
AlfaWorkshop
Professional parts and accessories
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