P20EE · Communications du constructeur

HINO · 2024-01-26

Some customers may experience an illuminated Malfunction Indicator Light (MIL) with DTC P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency set without an apparent cause. New calibrations for the DEF Control Unit (DCU) have been developed to address this concern.

CHEVROLET · 2023-11-09

Customer Satisfaction Program - Certain vehicles may experience an illuminated Check Engine Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Code (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and/or DTC P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency set in the DEF Control Unit (DCU). Dealers will reprogram the diesel exhaust fluid control module with a corrected service calibration

ISUZU · 2023-11-03

IN SOME 2021MY ISUZU F-SERIES VEHICLES, OPERATORS MAY EXPERIENCE AN ILLUMINATED CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) P2201 NOX SENSOR CIRCUIT PERFORMANCE SENSOR 1 AND/OR DTC P20EE DIESEL EXHAUST FLUID (DEF) SYSTEM NOX TRAP LOW EFFICIENCY SET IN THE DEF CONTROL UNIT (DCU). WE HAVE DETERMINED A DCU CALIBRATION ERROR IS CAUSING THIS DTC TO SET. THEREFORE, THIS DTC MAY BE RESOLVED BY REPROGRAMMING THE DCU WITH A REVISED CALIBRATION.

CHEVROLET, GMC · 2023-10-30

This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.

ISUZU · 2023-08-16

Supercedes SB23-L-001: The vehicle’s Check Engine Malfunction Indicator Lamp (MIL) may illuminate with DTC P2201 and/or P20EE set in the DEF Control Unit (DCU). If one or both of the preceding DTCs are present, first follow the diagnostic for the DTC(s) in question. If no mechanical fault can be found during normal diagnosis, follow the service procedure in this bulletin to correct the concern.

CHEVROLET, GMC · 2023-08-10

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or that they do not feel it. Technicians may find DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5.

RAM · 2023-05-24

Flash: Powertrain Control Module (PCM) Updates 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 (DTC)s have been set: ? **P061B-00 - Internal Control Module Torque Calculation Performance. ? P0299-00 - Turbocharger Underboost.** ? P0461-00 - Fuel Level Sensor 1 Performance. ? P0506 - Idle Control System RPM - Lower Than Expected. ? P20EE - NOx Catalyst Efficiency Below Threshold. ? P1451-00 - Diesel Particulate Filter System Performance. ? P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. ? P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ? P026B - Injection Timing Performance. ? P0607-00 - ECU Internal…

RAM · 2023-05-24

Flash: Powertrain Control Module (PCM) Updates 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 (DTC)s have been set: ? **P0299 - Turbocharger Underboost.** ? P061B - Internal Control Module Torque Calculation Performance. ? P0755 - Shift Solenoid B (DG7 Only). ? P0765 - Shift Solenoid D (DG7 Only). ? P0401 - EGR System Performance. ? P0755 - 2C Solenoid Circuit. ? P0765 - UD Solenoid Circuit. ? P244A - Diesel Particulate Filter Differential Pressure Too Low. ? P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. ? P242F - Diesel Particulate Filter Restriction - Ash Accumulation. ? P1451 - Diesel Particulate Filter System Performance. ? P2463 -…

RAM · 2022-08-10

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (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 moreof the following (DTCs) have been set: P0506 - Idle Control System RPM Lower Than Expected. P0299-00 - Turbocharger Underboost. P20EE-00 - NOx Catalyst Efficiency Below Threshold. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P1451-00 - Diesel Particulate Filter System Performance. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P026B - Injection Timing Performance. P0607-00 - ECU Internal Performance. P20E8-00 -…

RAM · 2022-08-10

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM) / PowertrainControl Module (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 moreof the following DTCs have been set: P0506 - Idle Control System RPM - Lower Than Expected. P0299-00 - Turbocharger Underboost. P20EE - NOx Catalyst Efficiency Below Threshold. P1451-00 - Diesel Particulate Filter System Performance. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P026B - Injection Timing Performance. P0607-00 - ECU Internal Performance. P20E8-00 -…

RAM · 2022-07-20

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P1C54 - SCR NOx Catalyst Missing. P229F - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2. P207F - Reductant Quality Performance. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P2201 - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P0300 - Multiple Cylinder Misfire. P0301-00 -…

RAM · 2022-07-20

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P1C54 - SCR NOx Catalyst Missing. P229F - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2. P207F - Reductant Quality Performance. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P2201 - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P0300 - Multiple Cylinder Misfire. P0301-00 -…

RAM · 2022-07-09

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs. P0401 - EGR System Performance. P2281 - Air Leak Between MAF and Throttle Body. P0402 - Egr Flow Excessive Detected. P0234 - Turbocharger Overboost Condition. P049D - Egr Control Position Exceeded Learning Limit. P040B - Exhaust Gas Recirculation Temperature Sensor "A" Circuit Performance. P064F - Unauthorized Software/Calibration Detected. P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P1C54 - SCR NOx Catalyst Missing. P229F…

RAM · 2022-06-10

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have hadthe ammonia sensor removed. Be sure to select the correct software based on vehicle configuration.Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that one or more of the following DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. U0001 - Can C Bus. P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency BelowThreshold…

MACK · 2022-06-06

Mack Chassis - Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions

RAM · 2022-05-10

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (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 moreof the following DTCs have been set: P0299 - Turbocharger Underboost. P0401 - EGR System Performance. P0755 - 2C Solenoid Circuit. P0765 - UD Solenoid Circuit. P244A - Diesel Particulate Filter Differential Pressure Too Low. P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P1451 - Diesel Particulate Filter System Performance. P2463 - Diesel Particulate Filter Restriction - Soot Accumulation Bank…

CHEVROLET, GMC · 2022-04-01

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration.

MACK · 2022-03-16

Mack Chassis - Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions

VOLVO · 2022-03-10

Volvo Chassis - Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions

CHEVROLET, GMC · 2022-02-16

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or that they do not feel it. Technicians may find DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5.

CHEVROLET, GMC · 2022-01-27

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 and/or P20EE Set Current or in Recent History.

MACK · 2022-01-21

Diagnostic Trouble Codes ( DTC ) P20EE, P207F And P103C, Diagnostic Procedure - REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US10+OBD2013 to US14+OBD2016 (Non-Common Rail) Emissions, Commonly Model Years 2014 To 2017

VOLVO · 2022-01-21

Diagnostic Trouble Codes ( DTC ) P20EE, P207F And P103C, Diagnostic Procedure - REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US10+OBD2013 to US14+OBD2016 (Non-Common Rail) Emissions, Commonly Model Years 2014 To 2017

FORD · 2021-10-22

Some 2017 F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit an illuminated malfunction indicator lamp (MIL) with only diagnostic trouble codes (DTCs) P00BD, P012F, P0181, P0474, P124C, P1247, P20EE, P205B, P2263, P2269, P2459, and/or P259F stored in the powertrain control module (PCM). This may be due to various strategies within the PCM software. To resolve this condition, update the PCM software and perform a diesel particulate filter (DPF) manual regeneration and, if necessary, a DPF parameter reset according to the Service Procedure.

FORD · 2021-09-14

This article supersedes TSB 21-2055 to update the Title, Issue, Action, vehicles affected and production fix date. Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine built on or before 10-Feb-2021 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300-P0308, P0603, P203B, P208B, P208C, P20EE, P2201, P24C2, P27B4, and/or P27B5 stored in the powertrain control module (PCM). The vehicle may also exhibit a forced idle condition. This may be due to various strategies within the PCM software. To correct the condition, follow the Service Procedure to reprogram the PCM.

FORD · 2021-08-31

This program extends the warranty coverage of the catalytic converter portion of the selective catalyst reduction (SCR) system for twelve months of service, beginning on the date the powertrain control module (PCM) is reprogrammed under Emissions Recall 21E01. This program only applies if an SCR (converter) fault is detected and it is related to a diagnostic trouble code (DTC) P20EE identified after 21E01 has been performed. This is a one-time repair.

CHEVROLET, GMC · 2021-06-01

Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM).

CHEVROLET, GMC · 2021-05-28

This technical bulletin provides repair information to correct a customer concern of MIL Illuminated- ECM Update for P026C, P20EE, or P11D5.

VOLVO · 2021-03-22

Volvo Chassis - Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions

MACK · 2021-03-22

Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions