What to do if you have a p20ba fault code?
What to do if you have a p20ba fault code? If the P20BA is the only active fault code present, and there are no updates/TSBs for your particular vehicle, then the next step is to locate the DEF Supply Line Heater, which is close to the DEF Supply Pump on the DEF tank. Once located, visually inspect the connectors and wiring. What does the OBD II fault code p20ee mean? What Does Code P20EE Mean? OBD II fault code P20EE is a generic code that is defined as “SCR NOx Catalyst Efficiency Below Threshold Bank 1”, and is set when...