P20E8 · 原廠技術資料

VOLKSWAGEN · 2017-02-10

Assistance diagnosing Selective Catalitic Reduction (SCR) Adblue Pressure Faults P20E8, P208B, P218F and P249C

AUDI · 2016-11-30

This bulletin provides information for a hardware and software update for TDI clean diesel vehicles with DTC P20E800.

CHEVROLET, GMC · 2016-10-17

This Preliminary Information communication provides information to the technician about vehicles that have a ?Service Emission System" or "Service Exhaust Fluid System" warning messages on the Driver's Information Center. Technician may find Diagnostic Trouble Code P20E8 set. Technician should follow published Service Information diagnostics for the Diagnostic Trouble Code. Technician will also inspect the Diesel Exhaust Fluid pump part number. If the part number on the pump is not 84148452 the pump will need to be replaced.

RAM · 2016-09-02

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. NOTE: There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Improvements to prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for the following Diagnostic Trouble Codes (DTCs): · **P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency Below Threshold - Bank 1 (For ammonia sensor equipped vehicles).** · P1C55 - NOx…

RAM · 2016-07-26

Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set. Several software improvements are available for the following conditions. The Following DTC has been changed from a two trip fault to a one trip fault: · U1A24 - Lost Communication With Ammonia Sensor. Prevent or reduce MIL illumination when no defect is present for the following DTCs. These faults have been changed from a one trip fault to a two trip fault: · P0201 - P0206 - Fuel Injector X Circuit/Open. · P049D - EGR Control Position…

RAM · 2016-05-07

Flash: 6.7L Diagnostic And System Improvements 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, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · P2281 - Air Leak Between MAF And Throttle Body.** · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P1477 -…

RAM · 2016-05-07

Flash: 6.7L Diagnostic And System Improvements 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, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · P2281 - Air Leak Between MAF And Throttle Body.** · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P1477 -…

RAM · 2016-04-23

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle…

RAM · 2016-04-23

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Throttle…

DODGE · 2016-04-23

OVERVIEW: This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And Thro • P1477 - Intake Air…

RAM · 2016-04-01

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation.** · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · U110E - Lost Ambient Temperature Message. · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · P2281 - Air Leak Between MAF And…

LAND ROVER · 2016-01-29

"ISSUE: CUSTOMERS MAY REPORT THE ENGINE MANAGEMENT LIGHT (MIL) IS ILLUMINATED WITH THE POSSIBILITY OF A ‘NO ENGINE RESTARTS IN XXX MILES/KM, DIESEL EXHAUST FLUID DOSING MALFUNCTION” WARNING MESSAGE DISPLAYED WITHIN THE INSTRUMENT CLUSTER MESSAGE CENTRE AND DTC’S P20E8-84/85 AND P2BAE/P2BAF STORED IN THE PCM (POWERTRAIN CONTROL MODULE). NOTE: IF OTHER CODES ARE STORED IN THE PCM THEY MUST BE INVESTIGATED AND RESOLVED BEFORE FOLLOWING THE ADVICE DETAILED IN THIS SSM. CAUSE: THE SYSTEM HAS DETECTED A PRESSURE DEVIATION IN THE DEF (DIESEL EXHAUST FLUID) INJECTION SYSTEM."

RAM · 2015-11-07

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one of more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). ? U110E - Lost Ambient Temperature Message. ? P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. ? P2281 - Air Leak Between MAF And Throttle Body. ? P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. ? U1421 - Implausible…

RAM · 2015-11-07

Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: ? P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). ? U110E - Lost Ambient Temperature Message. ? P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. ? P2281 - Air Leak Between MAF And Throttle Body. ? P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. ? U3017 - Control…

RAM · 2015-11-07

Flash: 6.7L Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for the following conditions. The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: ? U1A24 - Lost Communication With Ammonia Sensor. Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: ? P0201 - P0206 - Fuel Injector X Circuit/Open. ? P049D - EGR Control Position Exceeding Learning Limit. ? P0711 - Transmission Temperature Sensor Performance. ? P0712 - Transmission Temperature Sensor Low. ? P0713 -…

RAM · 2015-10-31

Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel. WARNING:There will be a choice between 2 calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit/Open Fault Codes. P049D - EGR Control…

RAM · 2015-10-31

Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel. WARNING:There will be a choice between 2 calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit/Open Fault Codes. P049D - EGR Control…

RAM · 2015-10-31

Flash: 6.7L Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L Turbo Diesel. These improvements are separated into the following categories. WARNING:There will be a choice between 2 calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For The Following Diagnostic Trouble Codes (DTCs). These DTCs Are Currently Set As A One Trip Fault And Should Be A Two Trip Fault: ? P0201 - P0206 - Fuel Injector…

JEEP · 2015-10-06

Diesel Exhaust Fluid (DEF) Contamination This bulletin involves replacing the Diesel Exhaust Fluid (DEF) system components. A small number of DEF systems may have been accidently contaminated during manufacturing. With this contamination there may be a Malfunction Indicator Lamp (MIL) illuminated. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P20EE - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P2BA9 - NOX Exceedence - Insufficient Reductant Quality. ? P20E8 - Reductant Pressure Too Low. ? P20E9 - Reductant Pressure Too High.

HINO · 2015-08-26

Conventional Trucks (238, 258, 268 or 338) and COE (Cab over Engine) Trucks (195, 195h) Foreign debris in the DEF (Diesel Exhaust Fluid) tank may cause the SCR (Select Calalyst Reduction) System to malfunction. This can result in DTC's (Diagnostic Trouble Codes) P20E8 or P20E9 - DEF Pressure abnormality. An inlet strainer for the DEF tank has been made available to prevent foreign material froim entering the DEF tank.

HINO · 2015-08-26

SB-15-031 Foreign debris in the DEF (Diesel Exhaust Fluid) tank may cause the SCR (Selective Catalyst Reduction) system to malfunction. This can result in DTC?s (Diagnostic Trouble Codes) P20E8 or P20E9 - DEF Pressure Abnormality. An inlet strainer for the DEF tank has been made available to prevent foreign material from entering the DEF tank.

RAM · 2015-07-25

Flash: 6.7L Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for the following conditions. The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: ? U1A24 - Lost Communication With Ammonia Sensor. Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: ? U110E - Lost Ambient Temperature Message. ? P0201 - P0206 - Fuel Injector X Circuit/Open. ? P049D - EGR Control Position Exceeding Learning Limit. ? P0711 - Transmission Temperature Sensor Performance. ? P0712 -…

AUDI · 2015-07-22

Supersedes Technical Service Bulletin Group 01 number 15-25 dated June 19, 2015. The MIL is on. DTC P20E800 (Reductant pressure too low) is stored in the engine control module. No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored fault codes. Hardware and software update is needed.

AUDI · 2015-06-19

The MIL is on. DTC P20E800 is stored in the ECM. No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored fault codes. Software update is needed.

FORD · 2013-12-01

FORD: THE MALFUNCTION INDICATOR LIGHT (MIL) ON AND DIAGNOSTIC TROUBLE CODES (DTC) P20E8, P202D, P204B ARE CAUSED BY THE DIESEL EXHAUST FLUID (DEF) MAYBE CONTAMINATED FROM PETROLEUM BASED PRODUCT SUCH AS DIESEL FUEL. MODEL 2011-2014 F-SUPER DUTY. *PE

FORD · 2013-08-01

FORD: CONTAMINATION OF DIESEL EXHAUST FLUID (DEF) FROM PETROLEUM BASED PRODUCT (SUCH AS DIESEL FUEL), TRUCKS MAY EXHIBIT MALFUNCTION INDICATOR LIGHT (MIL) WITH DTC P20E8, P202D AND/OR P207F, CAUSING RUBBER SEALS AND O RINGS TO SWELL AND/OR LEAK, IN SYSTEM. MODEL 2011-2014 F SUPER DUTY. *PE