Automatic Transmission Gear Indicator Problems of Nissan Versa

Vehicle: 2019 Nissan Versa sv VIN: [xxx] my vehicle experienced intermittent transmission problems including hesitation during acceleration, shuddering, rough deceleration, loss of the drive ("d") indicator, unexpected rear-view camera activation, and entry into fail-safe (limp) mode. Diagnostic code p0705 (transmission range sensor / prndl input) was stored. A Nissan dealership determined that the cause was a faulty left rear tail lamp assembly. After repairing the tail lamp, all transmission-related symptoms disappeared. My concern is that a failure, corrosion, or poor connection in a rear tail lamp should not be capable of affecting transmission operation, gear recognition, or vehicle propulsion. In this case, a tail lamp electrical fault caused transmission fault codes, loss of proper gear indication, and reduced vehicle performance. This design appears to allow a rear lighting circuit to interfere with transmission control functions. Such a condition may result in hesitation, reduced power, fail-safe mode activation, or loss of propulsion while driving, creating a potential safety hazard when entering traffic, merging, crossing intersections, or responding to emergency situations. I have also located multiple reports from other Nissan Versa owners and Nissan technicians describing similar incidents involving tail lamp corrosion or electrical backfeeding that resulted in p0705 fault codes, transmission-related symptoms, incorrect gear indication, and drivability problems. [xxx] I believe NHTSA should investigate whether this electrical system design defect affects other Nissan Versa vehicles and poses a broader vehicle safety risk. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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