P0171 · निर्माता की तकनीकी जानकारी

BUICK, CHEVROLET · 2017-01-25

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0171 and or P1101 set. Technician will need to inspect the Air Cleaner Housing Identification Code. If the Hydro Carbon Absorber is missing, or the Identification code is other than ACD, replace the Air Cleaner Housing with the latest listing in the Electronic Parts Catalog.

BUICK, CADILLAC, CHEVROLET, GMC · 2016-11-30

This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Technician may find Diagnostic Trouble Codes P0101, P0171, P0172, P0174, and or P0175. Technician should inspect for cast flashing near the Mass Air Flow sensor as seen below.

KIA · 2016-11-15

TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.

KIA · 2016-10-11

TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.

HYUNDAI · 2016-09-23

"THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE TO PREVENT AN INCREASE IN THE CATALYST TEMPERATURE WHICH MAY RESULT IN ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT WITH THE FOLLOWING DTC(S): „H P0171 - SYSTEM TOO LEAN - BANK 1. „H P0420 - CATALYTIC CONVERTER SYSTEM, BANK 1 - EFFICIENCY BELOW THRESHOLD. IN RARE CASES, THERE CAN BE A REDUCTION IN ENGINE POWER IF THE CATALYST IS RESTRICTED."

HYUNDAI · 2016-09-23

"THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE TO PREVENT AN INCREASE IN THE CATALYST TEMPERATURE WHICH MAY RESULT IN ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT WITH THE FOLLOWING DTC(S): „H P0171 - SYSTEM TOO LEAN - BANK 1. „H P0420 - CATALYTIC CONVERTER SYSTEM, BANK 1 - EFFICIENCY BELOW THRESHOLD. IN RARE CASES, THERE CAN BE A REDUCTION IN ENGINE POWER IF THE CATALYST IS RESTRICTED."

HYUNDAI · 2016-09-23

"THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE TO PREVENT AN INCREASE IN THE CATALYST TEMPERATURE WHICH MAY RESULT IN ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT WITH THE FOLLOWING DTC(S): „H P0171 - SYSTEM TOO LEAN - BANK 1. „H P0420 - CATALYTIC CONVERTER SYSTEM, BANK 1 - EFFICIENCY BELOW THRESHOLD. IN RARE CASES, THERE CAN BE A REDUCTION IN ENGINE POWER IF THE CATALYST IS RESTRICTED."

RAM · 2016-07-19

Flash: 2.4L 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 DTCs have been set: · **P1185 - General Pressure Sensor Correlation.** · P0441 - EVAP Purge System Performance. · P0506 - Idle Speed Performance Lower Than Expected. · P0171 - Fuel System 1/1 Lean. · P050D - Cold Start Rough Idle. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control Module). · P1607 - PCM Internal Shutdown Timer Rationality. · P0335 - Crankshaft Position Sensor Circuit. · P0456 - EVAP System Small…

CHRYSLER · 2016-06-17

Flash: 3.6L Powertrain Diagnostic And System Enhancements 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, a technician may find the following Diagnostic Trouble Codes (DTCs) have been set: · **P1D73 - AGS Performance - (Active Grill Shutter). · P0171 - Fuel System 1/1 Lean. · P0174 - Fuel System 2/1 Lean.** The technician may also find the following DTC stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied.…

CHRYSLER · 2016-06-17

"FLASH: 3.6L POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS 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, A TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) HAVE BEEN SET: · **P1D73 - AGS PERFORMANCE - (ACTIVE GRILL SHUTTER). · P0171 - FUEL SYSTEM 1/1 LEAN. · P0174 - FUEL SYSTEM 2/1 LEAN.** THE TECHNICIAN MAY ALSO FIND THE FOLLOWING DTC STORED IN THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE MEMORY: NOTE: THE DIAGNOSTIC TROUBLE CODE (DTC) IS CAUSED BY A CALIBRATION IN THE PCM THAT IS IN CONFLICT WITH THE ABS MODULE PROGRAMMING. THE NEW SOFTWARE FLASH WILL CORRECT THIS ISSUE. · C121C-00 - TORQUE REQUEST SIGNAL DENIED.…

VOLVO · 2016-04-12

Check Engine light is on, ECM-P017100

VOLVO · 2016-04-12

THIS IS A TECHNICAL JOURNAL : * VSTG OP NO. ADDED. * TEXT ADDED UNDER SERVICE. “VSTG OP NO. SEE ATTACHMENT” * ENGINE VARIANT ADDED ECM=ENGINE CONTROL MODULE VIDA= VEHICLE INFORMATION AND DIAGNOSTICS FOR AFTERSALES VSTG= VOLVO STANDARD TIME GUIDE IF THE “CHECK ENGINE” INDICATOR IS ON AND DTC ECM-P017100 IS POSTED, PLEASE FOLLOW ADVICE UNDER SERVICE.

MITSUBISHI · 2016-04-11

THIS TSB INSTRUCTS DEALERS TO REPROGRAM THE ECM WITH NEW SOFTWARE THAT WILL ADDRESS FALSE MIL ILLUMINATION WITH DTC P0139 OR P0171.

VOLVO · 2016-04-06

Check Engine Light is on, ECM-P017100 Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication

RAM · 2016-03-30

Flash: Powertrain Diagnostic And System Enhancements 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: · **P0456 - EVAP System Small Leak. · P0441 - EVAP Purge System Performance. · P0335 - Crankshaft Position Sensor Circuit. · P0133 - O2 Sensor 1/1 Slow Response. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality.** · P0506 - Idle Speed Performance Lower Than Expected. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control…

FIAT · 2015-12-22

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) 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 Codes (DTCs). ? U0402 - Implausible Data Received From TCM. ? P0133 - O2 Sensor 1/1 Slow Response. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. In addition, customers may experience one or more of the following concerns: ? Vehicle performance enhancements. ? Clatter or ticking noise from the engine at idle. ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.

NISSAN · 2015-12-17

IF YOU CONFIRM: There are no drivability issues. and The MIL is ON with one or more of the following Air Fuel (A/F) Sensor DTCs stored: - P0171 - FUEL SYS-LEAN-B1 (System too lean bank 1) - P0172 - FUEL SYS-RICH-B1 (System too rich bank 1) - P2096, P2097 - POST CAT FUEL TRIM SYS B1 - P015A - Air fuel ratio (A/F) sensor 1 (bank 1) ACTION: 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM and replace the A/F sensor. CAUTION: The ECM must be reprogrammed (if it applies) before the A/F sensor is replaced.

JEEP · 2015-11-25

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming Powertrain Control Module (PCM) with latest available software. It also involves cleaning or replacement of 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 a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in PCM memory: ? P1296-00 - EGR Slow Response - Increasing Flow. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P1297-00 - EGR Slow…

CHEVROLET · 2015-10-05

This preliminary informational bulletin provides repair information to correct a customer concern of a whistle noise heard from the engine compartment and/or the vehicle runs rough with the service engine light on and/or DTC P0171 set.

FIAT · 2015-09-23

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) 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 Codes (DTCs). ? U0402 - Implausible Data Received From TCM. ? P0133 - O2 Sensor 1/1 Slow Response. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. In addition, customers may experience one or more of the following concerns: ? Clatter or ticking noise from the engine at idle. ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.

BUICK, CHEVROLET, GMC, SAAB · 2015-09-14

This Preliminary Information communication provides information to the technician of a possible service engine soon light. Technician will find a diagnostic trouble code P0171 with no engine performance concerns. This could be caused by unmetered air entering the engine due to an intake leak or air filter concern. If Service Information diagnostics doesn?t isolate the cause of this concern inspect the air intake system for rolled connections cracks or loose clamps between the mass air flow sensor and the throttle body, repair as necessary. Inspect the screen that is on the inlet side of the air outlet duct for damage. If the long term trim is consistently above 10 percent temporarily remove the air filter and reset the fuel trims. Evaluate the long term fuel trim if it remains at 0…

CADILLAC · 2015-08-18

15317 - SPECIAL COVERAGE. ON SOME 2011 MODEL YEAR CADILLAC CTS-V VEHICLES, THE PCV HOSE MAY CRACK. IF THIS OCCURS, THE MALFUNCTION INDICATOR LIGHT (MIL) COULD ILLUMINATE AND A DIAGNOSTIC TROUBLE CODE OF P0171 AND/OR P0174 COULD BE SET. DEALERS ARE TO REPLACE THE PCV HOSE.

RAM · 2015-07-17

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following symptoms below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0133 - O2 Sensor 1/1 Slow Response. ? P0506 - Idle Speed Performance Lower Than Expected. ? P0507 - Idle Speed Performance Higher Than Expected. ? U0402 - Implausible Data Received From TCM. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. ? Increased RPM on start up. ? Reduced RPM when shifted into drive or reverse when cold.

FIAT · 2015-07-08

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) 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 Codes (DTCs). ? U0402 - implausible data received from TCM ? P0133 - O2 sensor 1/1 slow response ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle In addition, customers may experience one or more of the following concerns: ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.

BUICK, CHEVROLET, GMC · 2015-07-03

This Preliminary Information communication provides information to the technician about a service engine soon light on. Technician will find diagnostic trouble codes P0089 and P228D set in the engine control module. This concern could be due to an incorrect intake camshaft or camshaft actuator sprocket. A diagnostic trouble code of P0171 could also set from installing incorrect injectors.

BUICK, CHEVROLET, GMC · 2015-07-01

This Preliminary Information communication provides information to the technician about a service engine soon light on. Technician will find diagnostic trouble codes P0089 and P228D set in the engine control module. This concern could be due to an incorrect intake camshaft or camshaft actuator sprocket. A diagnostic trouble code of P0171 could also set from installing incorrect injectors.

TOYOTA · 2015-06-30

TSB: Some 2010 - 2013 model year Prius and 2012 - 2013 model year Prius V vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code(s) (DTCs) P0A0F (Engine Failed to Start), caused by Purge VSV/PCV line separation from the throttle body housing. One or more of the following DTCs may also set: * P3190 (Poor Engine Power) * P3191 (Engine Does NOT Start) * P0171 (System Too Lean [Bank One]) Replace the Purge VSV (Vacuum Switching Valve Assembly) and reprogram the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) with the latest calibration to address this condition.

LEXUS · 2015-06-26

LSB: Some 2011 - 2013 model year CT 200h vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P0A0F (Engine Failed to Start), caused by Purge VSV/PCV line separation from the throttle body housing. One or more of the following DTCs may also set: * P3190 (Poor Engine Power) * P3191 (Engine Does Not Start) * P0171 (System Too Lean [Bank One]) Replace the Purge VSV (Vacuum Switching Valve Assembly) and reprogram the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) with the latest calibration to address this condition.

RAM · 2015-06-02

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following symptoms below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. ? Increased RPM on start up. ? Reduced RPM when shifted into drive or reverse when cold.

FIAT · 2015-04-14

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) 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 Codes (DTCs). ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle