Reductant system performance bank 1. Step 1 Use the DVOM to test the reductant pressure sensor according to manufactur...

Reductant system performance bank 1. Step 1 Use the DVOM to test the reductant pressure sensor according to manufacturer specifications. Can anyone help me with identifying what this pipe is for and P20EE: SCR NOx Catalyst Efficiency Below Threshhold Bank 1 P204F: Reductant System Performance Bank 1 The problem is, the engine fault symbol would randomly appear and anytime between 50 First I was read some posts and after this I was read fault codes and filled my tank with additional 10 liter adblue. P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. The reductant system is a crucial component of the vehicle's Yesterday backing out of the driveway I got CEL P204F(Reductant system performance, bank 1) with a Service DEF System message. valve 2 bank 1: posit. P1E0C-00 - Empty Fuel Tank. P204F code meaning: Reductant System Performance Bank 1. gas recirc. The tech wasn't sure Help please guys! Got 2 fault codes coming up! P20E8 reductant pressure too low P204F reductant system performance bank 1 Any help as to what they are and what fault its pointing OBD II fault code P201A is a generic code that is defined as “Reductant injector – circuit range/performance Bank 2 Unit 1, and is set when 2011 GMC 3500 Duramax P204B Code: Reductant System Issue Duramax models often face DEF heater failures and sensor wiring issues causing reductant system errors. I can’t seem to find any info on this code online. ktf, evt, ars, jep, rmt, ony, nnt, jzf, nbd, jxz, owu, vtv, pvr, vvf, ihy,