P2084 on the 2014 Ram 1500
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 1802814REVD | 2022-09-26. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements Bulletin involves reprogramming the Powertrain Control Module (PCM) with latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary, depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC) other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which technician may find one or more of following DTCs have been set: P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. P2459-00 - Diesel Particulate Filter Regeneration Frequency. P0133-00 - O2 Sensor 1/1 Slow Response. P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). P0171-00 - Fuel System 1/1 Lean. P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). P0045-00 - Turbocharger Boost Control Circuit/Open. P0087-00 - Fuel Rail Pressure Too Low. P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation. P0128-00 - Thermostat Rationality. P0234-00 - Turbocharger Overboost Condition. P0420-00 - Catalyst Efficiency (Bank 1). P05F8-00 - Reductant Heater Control Module Performance. P050E-00 - Cold Start Engine Exhaust Temperature Too Low. P200A-00 - Intake Manifold Runner Performance - (Bank 1). P200B-00 - Intake Manifold Runner Performance - (Bank 2). P202E-00 - Reductant Injection Valve Circuit Performance. P204F-00 - Reductant System Performance. P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. P20BA-00 - Reductant Heater 1 Control Circuit Performance. P20BE-00 - Reductant Pressure Line Heater Control Circuit Performance. P20C2-00 - Reductant Heater 3 Control Circuit Performance. P20E9-00 - Reductant Pressure Too High. P225C-00 - NOX Sensor 1/1 Performance - Signal Stuck High. |
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| 18-021-15 REV. E | 2022-08-08. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P26AB-00 - Engine Coolant Bypass Valve Stuck. ? P24AF-00 - Particulate Matter Sensor Circuit Performance. ? P2196-00 - O2 Sensor 1/1 Stuck Rich. ? P1E0C-00 - Empty Fuel Tank. ? P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - SCR Inducement - Forced Engine Shutdown. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A- |
| 18-021-15 REV. E | 2022-07-25. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P26AB-00 - Engine Coolant Bypass Valve Stuck. ? P24AF-00 - Particulate Matter Sensor Circuit Performance. ? P2196-00 - O2 Sensor 1/1 Stuck Rich. ? P1E0C-00 - Empty Fuel Tank. ? P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - SCR Inducement - Forced Engine Shutdown. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A- |
| 18-021-15 REV-E | 2018-12-17. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P26AB-00 - Engine Coolant Bypass Valve Stuck. ? P24AF-00 - Particulate Matter Sensor Circuit Performance. ? P2196-00 - O2 Sensor 1/1 Stuck Rich. ? P1E0C-00 - Empty Fuel Tank. ? P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - SCR Inducement - Forced Engine Shutdown. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A- |
| 18-021-15 REVA | 2018-11-26. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - Scr Inducement - Forced Engine Shutdown. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation. ? P0128-00 - Thermostat Rationality. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P05F8-00 - Reductant Heater Control Module Performance. ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P200A-00 - Intake M |
| 18-021-15 REV-D | 2018-11-19. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P26AB-00 - Engine Coolant Bypass Valve Stuck. ? P24AF-00 - Particulate Matter Sensor Circuit Performance. ? P2196-00 - O2 Sensor 1/1 Stuck Rich. ? P1E0C-00 - Empty Fuel Tank. ? P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - Scr Inducement - Forced Engine Shutdown. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A- |
| 18-021-15 | 2018-09-24. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P20C2 - Reductant Heater 3 Control Circuit Performance. ? P204F - Reductant System Performance. ? P20E9 - Reductant Pressure Too High. ? P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation. ? P0128-00 - Thermostat Rationality. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P05F8-00 - Reductant Heater Control Module Performance. ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P200A-00 - Intake Manifold Runner Performance - (Bank 1). ? P200B-00 - Intake Manifold Runner Performance - (Bank 2). ? P202E-00 - Reductant Injection Valve Circuit Performance. ? P204F-00 - Reductant System Performance. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P20BA-00 - Reductant Heater 1 Control Circuit Performance. ? P20BE-00 - |
| 18-028-14 REV. D | 2018-06-11. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on Diagnostic Trouble Codes (DTC) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: P016A-00 - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. P2459-00 - Diesel Particulate Filter Regeneration Frequency P0133-00 - O2 Sensor 1/1 Slow Response P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2) P0171-00 - Fuel System 1/1 Lean P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1) P0045-00 - Turbocharger Boost Control Circuit/Open P0087-00 - Fuel Rail Pressure Too Low P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation P0128-00 - Thermostat Rationality P0234-00 - Turbocharger Overboost Condition P0420-00 - Catalyst Efficiency (Bank 1) P05F8-00 - Reductant Heater Control Module Performance P050E-00 - Cold Start Engine Exhaust Temperature Too Low P200A-00 - Intake Manifold Runner Performance - (Bank 1) P200B-00 - Intake Manifold Runner Performance - (Bank 2) P202E-00 - Reductant Injection Valve Circuit Performance P204F-00 - Reductant System Performance P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance P20BA-00 - Reductant Heater 1 Control Circuit Performance P20BE-00 - Reductant Pressure Line Heater Control Circuit Performance P20C2-00 - Reductant Heater 3 Control Circuit Performance P20E9-00 - Reductant Pressure Too High P225C-00 - NOX Sensor 1/1 Performance - Signal Stuck High |
| 18-028-14 REV. C | 2018-06-11. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on codes that have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation. ? P0128-00 - Thermostat Rationality. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P05F8-00 - Reductant Heater Control Module Performance. ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P200A-00 - Intake Manifold Runner Performance - (Bank 1). ? P200B-00 - Intake Manifold Runner Performance - (Bank 2). ? P202E-00 - Reductant Injection Valve Circuit Performance. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P204F-00 - Reductant System Performance. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P20BA-00 - Reductant Heater 1 Control Circuit Performance. ? P20BE-00 - Reductant Pressure Line Heater Control Circuit Performance. ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P20E9-00 - Reductant Pressure Too High. |
| 18-028-14 REV. B | 2018-06-11. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. It also involves replacement of the Oxygen (O2) Sensor and cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 if necessary depending on codes that have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code (DTC). In addition other customers may experience a Malfunction Indicator Lamp (MIL) illumination upon which the technician may find one or more of the following DTCs have been set: ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P0133-00 - O2 Sensor 1/1 Slow Response. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance - (1/2). ? P0171-00 - Fuel System 1/1 Lean. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance (1/1). ? P0045-00 - Turbocharger Boost Control Circuit/Open. ? P0087-00 - Fuel Rail Pressure Too Low. ? P009A-00 - Intake Air Temperature/Ambient Air Temperature Correlation. ? P0128-00 - Thermostat Rationality. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P05F8-00 - Reductant Heater Control Module Performance. ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P200A-00 - Intake Manifold Runner Performance - (Bank 1). ? P200B-00 - Intake Manifold Runner Performance - (Bank 2). ? P202E-00 - Reductant Injection Valve Circuit Performance. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P204F-00 - Reductant System Performance. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P20BA-00 - Reductant Heater 1 Control Circuit Performance. ? P20BE-00 - Reductant Pressure Line Heater Control Circuit Performance. ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P20E9-00 - Reductant Pressure Too High. |
10 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.