Volkswagen P1778: Solenoid EV7 Electrical Malfunction
Is your scanner showing Volkswagen P1778?
No worries. We'll show you what it means and how to deal with it.
Volkswagen P1778: Solenoid EV7 Electrical Malfunction
OVERVIEWWhat Does The Volkswagen P1778 Code Mean?
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, the ground between the engine and the chassis must be well connected, the exhaust system must be properly sealed.
What Are The Potential Causes Of The Volkswagen P1778 Code?
- Valve body solenoid valve has a short
- The TCM has failed
- ECM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Volkswagen Engine Control Module
>>> NEW Automatic Transmission Valve Body Shift Solenoid 4 Speed
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Volkswagen P1778, DTCDECODE.
