Hey everyone. Started my Powerboost up last night and as soon as I put it in drive I got a CEL that popped up. I scanned it with FORScan when I got home and the code was P237C - Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit / Open. Seems like a wiring or connection issue with the circuit that controls the valve to open or close the exhaust coolant loop. Truck is running fine, only difference is that light showing up. Interestingly my FordPass only says “Malfunction Indicator...
Powerboost CEL P237C/Exhaust Heat Exchanger Leak Megathread
Powerboost CEL P237C/Exhaust Heat Exchanger Leak Megathread