WebMay 25, 2024 · File: 189-fc3238 Page 1 of 3 Fault Code 3238 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit - Voltage Below Normal or Shorted to Low Source CODES REASON EFFECT Fault Code: 3238 PID(P), SID(S): SPN: 4340 FMI: 4/4 Lamp: Amber SRT: Low signal voltage detected at the diesel exhaust fluid line heater 1 … Webquantities of diesel exhaust fluid (DEF) are injected into the exhaust upstream of a catalyst, where it vaporizes and decomposes to form ammonia and carbon dioxide. The ammonia (NH3) is the desired product which in conjunction to the SCR catalyst, converts the NOx to harmless nitrogen (N2) and water (H2O).
Diesel Exhaust Fluid (DEF) Q & A - Cummins Filtration
WebI’ve got a 2016 Pete 367 with a Cummins ISX12. Codes 3238, 3234, 3423: DEF fluid line heater circuit faults for lines 1, 2, and 3. I went through the first couple steps on quick … WebCodes 3258 and 3261 returned. installed new heater relay, load tested the supply circuit, tested for a short to ground, checked pin fit at module, inline connector and at the heaters themselves. code still comes back. i back probed the heater return pin at the after treatment module and i have battery voltage when the key is on. at this point I … macaroni chocolate
Need guidance diagnosing DEF heater line #3 open circuit
WebDEF controller compatibility issue causes the DEF controller to fail the internal line heater diagnostic test and triggers line heater fault codes when the line heater circuit is … Web2 days ago · I got a def heater line 2 code and I did the plug and unplug method to see which one would stay and which two would clear. The inlet line is what it points to but I figured I would ask to make sure ... Cummins set up is #1 = pressure , #2 =suction and #3 is return. So I would say you are correct. Should be from tank to pump inlet. Goodysnap ... WebDEF controller compatibility issue causes the DEF controller to fail the internal line heater diagnostic test and triggers line heater fault codes when the line heater circuit is activated. This issue affects DEF controllers, Part Numbers 5283311 and 5283311RX, built between 5 May 2024 and 15 December 2024. Part Identification The build date ... macaroni color page