2025 Volkswagen Jetta

This update is for ODI #11761839. I am submitting new diagnostic evidence confirming that the ACC/Travel Assist safety defect in my 2025 Volkswagen Jetta continues to occur and existed long before any accident or windshield replacement. On August 18, 2026, a certified ADAS technician performed a full diagnostic scan and documented U112300 Databus errors and C12B3FD temporary camera view limitation. During the test drive, the technician successfully reproduced the Travel Assist failure (“Travel Assist not available”). The technician also wrote: “Owner is having issues with the ACC intermittingly since pick up. He took it to the dealer, but they were not able to find any faults.” This shows the defect existed from initial delivery and is not accident‑related. The technician also identified NHTSA TSB MC‑11007395‑0001 (48‑23‑01), which may apply to 2025 models and describes potential hardware or software deviation in the steering wheel hands‑on detection system. After windshield replacement and both static and dynamic ADAS calibrations, a second diagnostic scan on September 1, 2026 showed the defect persists. The ACC module still reports U112300 Databus errors. Additional communication faults were found in the instrument cluster (U111000), gateway module (B184C00, U17A000), and electronic central electric module. The front camera also reported an internal malfunction (B200FF0) despite successful calibration. These results demonstrate that the issue is caused by internal electronic/communication failures, not the windshield or calibration. The ACC/Travel Assist system continues to fail during normal and highway driving, creating an ongoing safety risk due to sudden disengagement. I request that this evidence be added to my existing complaint and that NHTSA continue its investigation into this unresolved safety defect.

This submission is an update to my previous NHTSA ODI complaint #11761837. I am adding new documentation provided by the authorized repair facility, including service records, diagnostic notes, and repair details. These documents confirm that the same safety defect continues to occur despite following all repair instructions and completing the recommended work. Please attach these materials to my existing complaint and include them in the ongoing review of this unresolved safety issue.