NHTSA Complaint #11456952 — 2021 NISSAN TITAN

Vehicle began to rev the engine to approximately 6,000 or 7,000 RPM's. This occurred for several seconds before correcting itself. Immediately after correcting itself, the engine began to rev to the same RPM's as stated before for several seconds again. After a few seconds, there was a loud clunk sound and the entire truck learched forward aggressively. Truck was travelling approximately 20 mph in stop and go traffic. Vehicle was pulled to the side of the road and felt as if it could not get past the 1st gear/limp mode. For safety reasons, vehicle was moved to a nearby parking lot where it was parked until a tow truck was available.