What does code P1778 mean on Audi vehicles?
An electrical malfunction is detected in solenoid EV7, potentially forcing the transmission into emergency or limp mode.
OBD-II Code Audi
P1778 — Audi — Solenoid EV7 Electrical Malfunction
An electrical malfunction is detected in solenoid EV7, potentially forcing the transmission into emergency or limp mode.
Common symptoms
- Transmission in limp mode
- harsh or limited shifting
Possible causes
- Faulty solenoid EV7
- wiring or connector failure
Initial recommendation
Perform advanced transmission diagnostics, test solenoid EV7 and repair wiring as needed.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Audi code P1778 with your vehicle's actual symptoms for more complete diagnostic guidance.
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