Dear 370Z forum members,
Just a short message from France to thank you for all your informations and pictures helping me to solve my roadster roof problem (stop half way !). Nissan was only able to give me DTC code B177D meaning "open sensor failure" and impossible to solve a "simple problem" except by changing all the roof system for more than 20K€. Finally, with the help of Klaus and videos from TOP HYDRAULICS, i decided to change myself the 2 main lift cylinders (little oil leak) and also discover a non visible cut wire (green wire "open sensor"). After reconnection of the green wire, my roof now perfectly work and stronger with the excellent cylinders from TOP HYDRAULICS. Picture attached show you exactly where was the "cut wire". Finally, this "big problem" for Nissan was not so difficult to solve ... and hope it will help you if needed.
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