RAM
1801221
Manufacturer communications
- Publication date
- 2021-02-05
- Received by NHTSA
- 2022-09-26
- NHTSA record numbers
- 10220602
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire (Sym Cam Pump Only). P0302-00 - Cylinder 2 Misfire(Sym Cam Pump Only). P0303-00 - Cylinder 3 Misfire (Sym Cam Pump Only). P0304-00 - Cylinder 4 Misfire(Sym Cam Pump Only). P0305-00 - Cylinder 5 Misfire (Sym Cam Pump Only). P0306-00 - Cylinder 6 Misfire(Sym Cam Pump Only). P1C54-00 - SCR NOx Catalyst Missing. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation(68RFE Only). P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1(68RFE Only). P1451-00 - Diesel Particulate Filter System Performance(68RFE Only). P0299-00 - Turbocharger Under boost. P2706-00 - MS Solenoid Circuit (68RFE Only). P1D73-00 - AGS Performance. P0299-00 - Turbocharger Under boost. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P1451-00 - Diesel Particulate Filter System Performance. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P24A5-00 - EGR Cooler Bypass Bank 1 Control Stuck(Sales Code ETM). P20EE-00 - NOx Catalyst Efficiency Below Threshold(Sales Code ETM). P0420-00 - Catalyst System Efficiency Below Threshold Bank 1(Sales Code ETM). P2002-00 - Diesel Particulate Filter Efficiency Below Threshold(Sales Code ETM). P0191-00 - Fuel Rail Pressure Sensor Circuit Performance(Sales Code ETM). P0461-00 - Fuel Level Sensor 1 Performance(Sales Code ETM). P0401-00 - EGR System Performance (Sales Code ETM). P208B-00 - Reductant Pump 1 Control Performance(Sales Code ETM). Harsh downshift clunk during exhaust brake decal
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0301-00Cylinder 1 Misfire (Sym Cam Pump Only)Ram
P0302-00Cylinder 2 Misfire(Sym Cam Pump Only)Ram
P0303-00Cylinder 3 Misfire (Sym Cam Pump Only)Ram
P0304-00Cylinder 4 Misfire(Sym Cam Pump Only)Ram
P0305-00Cylinder 5 Misfire (Sym Cam Pump Only)Ram
P0306-00Cylinder 6 Misfire(Sym Cam Pump Only)Ram
P1C54-00SCR NOx Catalyst MissingRam
P20E8-00Reductant Pressure Too LowCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.