My buddy has a 2020 Ram 2500, 6.7 and last week it acted like one of the batteries was bad. It had power but wouldn’t turn over.
We replaced the batteries and cleared the code and it ran better than ever since he’s had it. Today about a week later, his check engine came on with 3 codes. There were no issues prior to the incident last week and no check engine light.
P0299 - turbocharger isn’t producing enough boost
P20B9 - reductant heater ‘A’ control circuit/open
P2002 - diesel particulate filter efficiency below threshold.
Any thought on all 3 codes hitting at the same time?
We replaced the batteries and cleared the code and it ran better than ever since he’s had it. Today about a week later, his check engine came on with 3 codes. There were no issues prior to the incident last week and no check engine light.
P0299 - turbocharger isn’t producing enough boost
P20B9 - reductant heater ‘A’ control circuit/open
P2002 - diesel particulate filter efficiency below threshold.
Any thought on all 3 codes hitting at the same time?
