New Cascadia DT12 Transmission Troubleshooting: Sluggish Throttle & Delayed Shift Fix
Posted by: Duaparts on
Is your New Cascadia with a DT12 transmission experiencing sluggish throttle response or delayed shifting?
This common drivability issue affects vehicles built between December 1, 2024, and January 25, 2025, due to incorrect TCM programming at the factory. Follow our verified solution to restore optimal performance.
Affected Vehicles
Model: Freightliner New Cascadia
Transmission:&n
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