What does code P1778 mean on Volkswagen vehicles?
The transmission control module detects an electrical malfunction in solenoid EV7.
OBD-II Code Volkswagen
P1778 — Volkswagen — Solenoid EV7 Electrical Malfunction
The transmission control module detects an electrical malfunction in solenoid EV7.
Common symptoms
- Erratic or harsh gear shifts
Possible causes
- Faulty transmission solenoid EV7
Initial recommendation
Diagnose transmission solenoid EV7 and related wiring.
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
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