Transmission
Code P0790
Normal/Performance Switch Circuit
Plain English Meaning:Drive mode switch malfunction
✅
Green: Safe to Drive
Minor feature issue
P0790 Symptoms
- •Mode selection issues
Most Common Causes of P0790
1Switch failure wiring issue
P0790 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Test switch input
Typical Fix Paths & Estimated Costs
Replace switch $100–$300
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Parts for P0790 Repair
Common replacement parts for transmission codes. (Paid links)
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