Looking for any updated information; 2021 Powerboost, 55,000 miles, P084B code. The truck has recently developed a problem that is getting worse. The code started setting only when towing (7K#) on hot days and at the end of long climbs. There were no drivability issues. Dealer tried a pressure sensor replacement. That did not fix it. Problem got worse. Code still only set when towing. Still sets a code at the end of long climbs. But also started setting codes towing on flat roads and lower...
Powerboost P084B Transmission Code
Powerboost P084B Transmission Code