Complaint 2163124
2022 KENWORTH T680 • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) • incident Nov 5, 2025
Complaint Summary
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Owner Narrative
The contact owns a 2022 Kenworth T680. The contact stated that while driving approximately 70 MPH, the Engine Control Module (ECM) or the Engine Control Unit (ECU), started to lose power, eventually displaying a black screen. When attempting to drive and accelerate up to 50 MPH, the vehicle suddenly lost power. The contact stated that a timer displayed a countdown from one hour, and once the timer reached 0 minutes, the vehicle automatically shut off. The contact would coast to the side of the road and wait before restarting the vehicle to continue driving. The vehicle was taken to the dealer, who diagnosed that the ECM/ECU and oxygen sensors both failed and needed to be replaced. The ECM/ECU was repaired. The manufacturer was not informed of the failure. The failure mileage was 450.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.
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