RAM
Reported code forms P0401-00
Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic…
HomeP0401 · Manufacturer communications
P0401 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
RAM
Reported code forms P0401-00
Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic…
JEEP
Reported code forms P0401
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes…
RAM
Reported code forms P0401-00
Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes…
FORD, LINCOLN
Reported code forms P0401
Some 2024 Edge and 2023 Nautilus vehicles built on 28-Aug-2023 and through 02-Apr-2024 equipped with a 2.0L EcoBoost engine may experience an illuminated malfunction indicator (MIL) with diagnostic trouble codes (DTCs)…
JEEP
Reported code forms P0401
"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…
HYUNDAI
Reported code forms P0401
This bulletin provides warranty procedure for EGR Valve replacement related to DTC P0401 EGR Flow Insufficient on 2020 and 2021MY Sonata (DN8a) equipped with 2.5 GDI Vehicles.
AUDI
Reported code forms P040100
This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM.
MITSUBISHI
Reported code forms P0401
This Technical Service Bulletin provides instructions to reprogram the ECU with the countermeasure software when the check engine light illuminates with DTC of P0401/ P0400.
AUDI
Reported code forms P040100
This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM.
AUDI
Reported code forms P040100
This bulletin provides information for when the MIL is on and DTC P040100 is stored in the ECM.
RAM
Reported code forms P0401
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…
KIA
Reported code forms P040100
TECHNICAL SERVICE BULLETIN: MQ4 P/HEV GAMMA 1.6L T-GDI ECM & HCULDC LOGIC IMPROVEMENT FOR OIL DILUTION: This bulletin provides the procedure to update the software logic of the 'Engine' and Hybrid Control Unit Low DC-DC…
HYUNDAI
Reported code forms P0401
This bulletin provides information related to the Engine Control Module (ECM) software update for Santa Fe Hybrid (TM HEV) / Santa Fe Plug-In Hybrid (TM PHEV) vehicles to revise the following DTC logic: • P1441(PCSV…
NISSAN
Reported code forms P0401
MIL ON AND DTC P0401 STORED IN THE ECM IF YOU CONFIRM The Malfunction Indicator Lamp (MIL) is ON and DTC P0401 (EGR System) is stored in the ECM. ACTION 1. Inspect the EGR fitting on the intake air duct (Figure 1) for a…
RAM
Reported code forms P0401-00
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…
ISUZU
Reported code forms P0401
Isuzu Motors Limited has determined that certain 2015 model year Isuzu N-Series trucks equipped with 5.2L (4HK1) diesel engines were built with an Engine Control Module (EC) containing an On-Board Diagnostic (OBD)…
RAM
Reported code forms P0401-00
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…
NISSAN
Reported code forms P0401
MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
RAM
Reported code forms P0401-00
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…
NISSAN
Reported code forms P0401
MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and DTC P0401 (EGR A FLOW INSUFFICIENT) and/or P0404 (EGR A CONTROL) is stored in the ECM. AND There are no drivability concerns. ACTION…
RAM
Reported code forms P0401
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…
HYUNDAI
Reported code forms P0401
This bulletin provides information related to the Engine Control Module (ECM) software update for Santa Fe Hybrid (TM HEV) / Santa Fe Plug-In Hybrid (TM PHEV) and Tucson Hybrid (NX4 HEV) / Tucson Plug-In Hybrid (NX4…
FORD
Reported code forms P0401
Certain 2011-2014 Model Year Super Duty Vehicles Equipped with a 6.7L Diesel Engine Exhaust Gas Recirculation Cooler with Diagnostic Trouble Codes P0401 and/or P2457 - In some of the affected vehicles, customers may…
RAM
Reported code forms P0401-00
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…
RAM
Reported code forms P0401
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…
RAM
Reported code forms P0401
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…
FORD
Reported code forms P0401
Customer Satisfaction Program 21M04 Certain 2011-2014 Model Year Super Duty Vehicles Equipped with a 6.7L Diesel Engine Exhaust Gas Recirculation Cooler with Diagnostic Trouble Codes P0401 and/or P2457
VOLKSWAGEN
Reported code forms P0401
Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody…
VOLKSWAGEN
Reported code forms P0401
Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment…