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P0426 on the 2014 Jeep Grand Cherokee

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.

Bulletins for this model year that name P0426
1801814REVE2022-09-26. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic P0087-00 - Fuel Rail Pressure Too Low. P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. P0171-00 - System Too Lean (Bank 1). P0172-00 - System Too Rich (Bank 1). P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. P1288-00 - NOX Sensor 1/2 Zero Offset Too High. P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. P1296-00 - EGR Slow Response - Increasing Flow. P1297-00 - EGR Slow Response - Decreasing Flow. P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. P0088-00 - Fuel Rail Pressure Too High. P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. P009A-00 - Intake Air Temperature / Ambient Air Temperature Correlation. P0234-00 - Turbocharger Overboost Condition. P0420-00 - Catalyst Efficiency (Bank 1). P050E-00 - Cold Start Engine Exhaust Temperature Too Low. P05F8-00 - Reductant Heater Control Module Performance. P061B-00 - Internal Control Module Torque Calculation Performance. P0128-00 - Thermostat Rationality. P1D30-00 - Oil Viscosity Too Low. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P202E-00 - Reductant Injection Valve Circui
18-018-142022-08-29. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY 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 ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUIT PERFORMANCE ? P20BE-00 - REDUCTANT PRESSURE LINE HEATER CONTROL CIRCUIT PERFORMANCE ? P20EE-00 - SCR NOX CATALYST EFFICIENCY BELOW THRESHOLD BANK 1 ? P20C2-00 - REDUCTANT HE
18-018-14 REV. B2022-08-22. Service bulletin. Flash: MIL Illumination - Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY 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 ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUIT PERFORMANCE ? P20BE-00 - REDUCTANT PRESSURE LINE HEATER CONTROL CIRCUIT PERFORMANCE ? P20EE-00 - SCR NOX CATALYST EFFICIENCY BELOW THRESHOLD BANK 1 ? P20C2-00 - REDUCTANT HE
18-018-14 REV. C2022-08-15. Service bulletin. Flash: MIL Illumination - Remote Start, Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Remote Start will not start the vehicle in cold 14° F (-10° C) ambient temperatures. Software enhancements will help this issue. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY 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 ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUI
18-023-15 REV.C2022-08-08. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may 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.P0420-00 - Catalyst Efficiency (Bank 1). P1297-00 - EGR Slow Response - Decreasing Flow. P208B-00 - Reductant Pump 1 Control Performance. 0087-00 - Fuel Rail Pressure Too Low. P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. P1296-00 - EGR Slow Response - Increasing Flow. P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. P062B-00 - Internal Control M
18-023-15 REV.C2022-07-25. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may 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. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P208B-00 - Reductant Pump 1 Control Performance. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control M
18-023-15 REV-C2018-12-17. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may 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. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P208B-00 - Reductant Pump 1 Control Performance. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control M
18-023-15 REVA2018-11-26. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may 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. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P0171-00 - System Too Lean (Bank 1). ? P0172-00 - System Too Rich (Bank 1). ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. ? P0088-00 - Fuel Rail Pressure Too High. ? P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. ? P009A-00 - Intake Air Temperature / Ambient Ai
18-023-152018-09-24. Service bulletin. Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: ? P20C2 - Reductant Heater 3 Control Circuit Performance. ? P204F - Reductant System Performance. ? P20E9 - Reductant Pressure Too High. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P0171-00 - System Too Lean (Bank 1). ? P0172-00 - System Too Rich (Bank 1). ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. ? P0088-00 - Fuel Rail Pressure Too High. ? P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. ? P009A-00 - Intake Air Temperature / Ambient Air Temperature Correlation. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P05F8-00 - Reductant Heater Control Module Performance. ? P061B-00 - Internal Control Module Torque Calculation
18-018-14 REV. C2018-06-18. Service bulletin. Flash: MIL Illumination - Remote Start, Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Remote Start will not start the vehicle in cold 14° F (-10° C) ambient temperatures. Software enhancements will help this issue. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY 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 ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUI

15 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.