VOLKSWAGEN
Reported code forms P0401
MIL ON, DTC P0401 Exhaust Gas Recirculation Flow Insufficient Stored in ECM Fault Memory, Could be Accompanied with Fault P2463 DPF Soot Accumulation
HomeP0401 · Manufacturer communications
P0401 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
VOLKSWAGEN
Reported code forms P0401
MIL ON - DTC's P047F, P0477, P048A, P048B, P048C or P0401 Stored in ECM Fault Memory
VOLKSWAGEN
Reported code forms P0401
MIL ON, DTC P0401 Exhaust Gas Recirculation Flow Insufficient Stored in ECM Fault Memory, Could be Accompanied with Fault P2463 DPF Soot Accumulation
FORD
Reported code forms P0401
FORD: ON SOME TRUCKS, A MALFUNCTION INDICATOR LAMP (MIL) WITH DTC P0401, CAUSES A RESTRICTION OF EXHAUST GAS RECIRCULATION (EGR) COOLER CORE. MODEL 2011-2012 F-SUPER DUTY. *PE
TOYOTA
Reported code forms P0401
Some 2010-2012 model year Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code P0401 (Exhaust Gas Recirculation Flow insufficient Detected) present. The Exhaust Gas…
LEXUS
Reported code forms P0401
Some 2010-2012 model year CT200h vehicles equipped with a 2ZR-FXE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code P0401 (Exhaust Gas Recirculation Flow insufficient Detected) present. The Exhaust…
VOLKSWAGEN
Reported code forms P0401
MIL ON - DTC's P047F, P0477, P048A, P048B, P048C or P0401 Stored in ECM Fault Memory
FORD
Reported code forms P0401
FORD: SOME VEHICLES EQUIPPED WITH THE 6.0L ENGINE MAY EXPERIENCE A P006A, P132, P0401 OR P0402 DIAGNOSTIC TROUBLE CODE (DTC) WITH A LACK OF POWER CONDITION, SURGE, OR TURBOCHARGER FLUTTER AFTER PERFORMING FIELD SERVICE…
CHEVROLET, GMC
Reported code forms P0401
CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF…
CHEVROLET, GMC
Reported code forms P0401
GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE
HONDA
Reported code forms P0401
HONDA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WARRANTY EXTENSION: EGR VALVE CONTAMINATION OR EGR PORT CLOGGING MAY CAUSE DTC P0401, DTC P1491, OR ENGINE HESITATION/SURGE. CSC WAS RECEIVED. *NJ
FORD
Reported code forms P0401
6.0L--MIL ON--P0401, P0402, P0404, P1335--LACK OF POWER OR SURGE WITH SOME 2003-2007 F-SUPER DUTY, 2003-2005 EXCURSION AND 2004-2008 E-SERIES VEHICLES. *NJ
CHEVROLET, GMC
Reported code forms P0401
LBZ, LLY, ENGINE WITH ROUGH IDLE, POOR PERFORMANCE, BLACK/WHITE EXHAUST SMOKE, MIL/SES LIGHT ON AND ONE OR MORE OF THE FOLLOWING DTC'S P003A, P060B, P0230, P0403, P0401, P0606, P2146, P2149, P2152, P2155. (REPROGRAM ECM…
MAZDA
Reported code forms P0401
MIL (MALFUNCTION INDICATOR LAMP) COMES ON WITH DTC (DIAGNOSTIC TROUBLE CODE) P0401. *KB
JEEP
Reported code forms P0401
MALFUNCTION INDICATOR LAMP DUE TO DIAGNOSTIC TROUBLE CODE P0401-EGR SOLENOID CIRCUIT NEGATIVE DEVIATION OR SYSTEM PERFORMANCE. *SC
HONDA
Reported code forms P0401
WARRANTY EXTENSION: EGR VALVE CONTAMINATION OR EGR POR CLOGGING MAY CAUSE DTC P0401, DTC P1491, OR ENGINE HESITATION/SURGE. *TT
FORD
Reported code forms P0401
BUCK/JERK, LACKS POWER, BLACK SMOKE, ROLLING IDLE, SURGE, MIL ON, AND DIAGNOSTIC TROUBLE CODES P2263, P0299, OR P0401. *TT
FORD
Reported code forms P0401
LACK OF POWER OR RUNS ROUGH CONDITION, AND/OR THE MALFUNCTION INDICATOR LIGHT ON WITH EGR RELATED DIAGNOSTIC TROUBLE CODES (P0401, P0402, P0403, P0404, P0405, OR P0406). *TT
FORD
Reported code forms P0401
DIAGNOSTIC TROUBLE CODE (DTC) P0401. VARIOUS MODELS INCLUDING 2005 FORD E-350. *TT
MAZDA
Reported code forms P0401
MALFUNCTION INDICATOR LAMP (MIL) ON AND/OR DIAGNOSTIC TROUBLE CODES P0401, P0402, P1400 OR P1401 AND RUNS ROUGH, LACKS POWER, SURGE, POOR FUEL ECONOMY. *TT THIS BULLETIN REPLACES PREVIOUS BULLETIN DATED 4/26/04. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0401
STREAMLINED DIAGNOSTIC PROCEDURE FOR VEHICLES WITH MALFUNCTION INDICATOR LAMP (MIL) ON AND DIAGNOSTIC TROUBLE CODES (DTCS) P0401, P0402, P1400 OR P1401. ADDITIONAL SYMPTOMS MAY INCLUDE RUNS ROUGH, LACKS POWER, SURGE,…
KIA
Reported code forms P0401
EXHAUST GAS RECIRCULATION (EGR) DIAGNOSTIC TROUBLE CODE (DTC) P0401 INFORMATION. *TT
DODGE
Reported code forms P0401
MALFUNCTION INDICATOR LAMP (MIL) ILLLUMINATION DIAGNOSTIC TROUBLE CODES P0401, P0403, P0404, P0405, P0406. *MJ
FORD, LINCOLN, MERCURY
Reported code forms P0401
STREAMLINED DIAGNOSTIC PROCEDURE FOR VEHICLES WITH MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODES (DTCS) P0401, P0402, P1400 OR P1401. ADDITIONAL SYMPTOMS MAY INCLUDE RUNS ROUGH, LACKS POWER, SURGE, POOR…
CHEVROLET
Reported code forms P0401
3.5L LX9 ENGINE DIAGNOSTIC TROUBLE CODE P0401.*MR
MAZDA
Reported code forms P0401
MALFUNCTION INDICATOR LAMP (MIL) ON WITH OR WITHOUT ROUGH RUNNING, LACK OF POWER, SURGE OR POOR FUEL ECONOMY, ALONG WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0401, P0402, P1400 OR P1401. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0401
MALFUNCTION INDICATOR LAMP ON WITH OR WITHOUT ROUGH RUNNING, LACK OF POWER, SURGE OR POOR FUEL ECONOMY WITH DIAGNOSTIC TROUBLE CODES P0401, P0402, P1400, P1401. *TT *JB
MAZDA
Reported code forms P0401
MALFUNCTION INDICATOR LAMP (MIL) ON AND/OR DIAGNOSTIC TROUBLE CODES P0401, P0402, P1400 OR P1401 AND RUNS ROUGH, LACKS POWER, SURGE, POOR FUEL ECONOMY. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0401
STREAMLINED DIAGNOSTIC PROCEDURE FOR VEHICLES WITH MALFUNCTION INDICATOR LAMP (MIL) ON AND DIAGNOSTIC TROUBLE CODES (DTCS) P0401, P0402, P1400 OR P1401, OR RUNS ROUGH, LACKS POWER, SURGE, POOR FUEL ECONOMY, AND THE…
FORD
Reported code forms P0401
SOME 2001 VEHICLES EQUIPPED WITH A 2.0L SPI ENGINE MAY EXHIBIT A PULSING OR TICKING NOISE ORIGINATING FROM THE ENGINE COMPARTMENT AND / OR MAY HAVE A MALFUNCTION INDICATOR LAMP LIGHT ON WITH DIAGNOSTIC TROUBLE CODE…