P0171 · نشرات الشركة المصنعة

NISSAN · 2019-04-04

2016-2018 NISSAN; MIL ON WITH DTC P0171, P0174, P2097, AND/OR P2099 This bulletin applies to Altima vehicles equipped with VQ35 engine only. IF YOU CONFIRM The MIL is ON with one or more of the following Air/Fuel (A/F) Sensor DTCs stored: - P0171 (Fuel Injection System Function) - P0174 (Fuel Injection System Function) - P2097 (A/F SENSOR 1) - P2099 (A/F SENSOR 1) ACTION 1. Perform the appropriate diagnostic procedure outlined in the Electronic Service Manual (ESM). 2. Refer to Table A on page 2 and page 3 to confirm if Electronic Control Module (ECM) reprogramming is needed.

INFINITI · 2019-04-04

2016-2018 QX60; MIL ON WITH DTC P2097, P2099, P0171 AND/OR P0174 This bulletin applies only to vehicles equipped with the VQ35DE engine only. IF YOU CONFIRM The MIL is ON with one or more of the following Air/Fuel (A/F) Sensor DTCs stored: - P0171 (Fuel Injection System Function) - P0174 (Fuel Injection System Function) - P2097 (A/F SENSOR 1) - P2099 (A/F SENSOR 1) ACTION 1. Perform the appropriate diagnostic procedure outlined in the Electronic Service Manual (ESM). 2. Refer to Table A on the next page to confirm if Electronic Control Module (ECM) reprogramming is needed.

FORD · 2019-03-25

Some 2015-2018 Transit vehicles built on or before 24-Jul-2018 may exhibit various drivability concerns including difficulty starting, misfires and/or an illuminated MIL with diagnostic trouble codes (DTCs) P00BD, P1247, P1548, P061B, P2195, P2198, P2196, P2197, P0171, P0172, P0174, P0175, P0131 and/or P162F stored in the powertrain control module (PCM). This may be due to undesired water entry into the engine compartment directly over powertrain components. To resolve this condition, install updated water management hardware and/or a revised air cleaner cover.

NISSAN · 2019-03-05

NISSAN; P0171 AND P0174 SERVICE INFORMATION SERVICE INFORMATION Diagnosis for DTCs P0171 (FUEL SYS LEAN B1) and P0174 (FUEL SYS LEAN B2) have been revised for the APPLIED VEHICLES listed above. When performing diagnosis for either of these DTCs, start by using the SERVICE PROCEDURE section of this bulletin. NOTE: The related Electronic Service Manuals (ESM) will be revised in the future to include these diagnostic steps.

INFINITI · 2019-03-05

INFINITI; P0171 AND P0174 SERVICE INFORMATION SERVICE INFORMATION Diagnosis for DTCs P0171 (FUEL SYS LEAN B1) and P0174 (FUEL SYS LEAN B2) have been revised for the APPLIED VEHICLES listed above. When performing diagnosis for either of these DTCs, start by using the SERVICE PROCEDURE section of this bulletin. NOTE: The related Electronic Service Manuals (ESM) will be revised in the future to include these diagnostic steps.

CHEVROLET, GMC, HUMMER · 2018-12-20

This Preliminary Information communication provides information to the technician about vehicles the have a Service Engine Soon Malfunction Indicator Lamp on and or engine running rough. Technician may find Diagnostic Trouble Codes P0106, P0107, P0171, P0300, P0502, P1107, and P2431. Technician will need to inspect all Manifold Absolute Pressure sensor circuits for being broken inside of the insulation near the Manifold Absolute Pressure sensor connector.

FORD · 2018-10-23

Some 2015-2018 Transit vehicles built on or before 24-Jul-2018 may exhibit various drivability concerns including difficulty starting, misfires and/or an illuminated MIL with diagnostic trouble codes (DTCs) P00BD, P1247, P1548, P061B, P2195, P2198, P2196, P2197, P0171, P0172, P0174, P0175, P0131 and/or P162F stored in the powertrain control module (PCM). This may be due to undesired water entry into the engine compartment directly over powertrain components. Follow the Service Procedure steps to correct the condition.

FORD · 2018-10-05

Some 2018 F-150 vehicles equipped with a 2.7L EcoBoost built on or before 12-Jul-2018 with greater than 500 miles may exhibit an illuminated Malfunction Indicator Lamp (MIL) with diagnostic trouble codes (DTC) P0300, P0316, P0301-P0306, P2196, P2198, P0171, P0174, P219A, P219B, P0172 and/or P0175 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

FORD · 2018-08-31

Some 2018 F-150 vehicles equipped with a 2.7L EcoBoost built on or before 12-Jul-2018 with greater than 500 miles may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0300, P0316, P0301-P0306, P2196, P2198, P0171, and/or P0174 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

BUICK, CHEVROLET · 2018-05-15

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. If the air cleaner housing does not have the correct content for the engine application as shown, dealer is instructed to replace the Air Cleaner Housing with the latest part listed in the Electronic Parts Catalog.

BUICK, CHEVROLET · 2018-04-27

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. If the air cleaner housing does not have the correct content for the engine application as shown, dealer is instructed to replace the Air Cleaner Housing with the latest part listed in the Electronic Parts Catalog.

BUICK, CADILLAC, CHEVROLET, GMC · 2018-02-28

This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.

CHEVROLET · 2018-01-23

18009 - Service Update. The bootloader version for the engine control module (ECM) was incorrectly released, and may result in a no-start or stall, and P062B, P0171/P0172, P1133/P2195/P2196 or P300 diagnostic trouble codes to set. Dealers are to inspect for part number and replace the ECM as needed.

CADILLAC, CHEVROLET, GMC · 2018-01-18

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.

BUICK, CHEVROLET, GMC · 2017-12-21

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.

MAZDA · 2017-12-05

Some vehicles may experience the Check Engine Light ON with DTC P0171 (Fuel Trim too Lean) and possibly DTCs P030X (Misfire). Vehicles having this concern should use the following Inspection/Repair procedure.

BUICK, CHEVROLET, GMC · 2017-11-28

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.

TOYOTA · 2017-11-14

T-TT: Vehicles may experience various drivability concerns. Upon diagnosis, technicians commonly find no or low fuel pressure as well as a variety of DTCs (Commonly P1603, P1604, P1605, P0171, P0300, P0302, P0304, U0100). Technicians find that the cause this condition is corrosion and water in the A43 ECM connector (Fig 1). In several cases, it was found that the source of water was from aftermarket windshields with poorly sealed or damaged deicer harnesses (Fig 2). Water enters the deicer harness and is wicked through the engine room main harness, eventually collecting in the ECM connector.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-11-14

This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.

BUICK, CHEVROLET, GMC · 2017-10-31

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-10-20

This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.

BUICK, CHEVROLET, GMC · 2017-10-01

Engineering Information – Malfunction Indicator Lamp (MIL) On, DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2

BUICK, CHEVROLET, GMC · 2017-09-26

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.

CHRYSLER · 2017-08-09

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Codes (DTCs) have been set:U1400-00 - Implausible TPS Signal Received P1D73 - AGS Performance -(Active Grill Shutter). P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. The following Diagnostic Trouble Codes (DTCs) have been changed from a one trip fault to atwo trip fault:P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent…

RAM · 2017-06-29

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:P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0171 - Fuel System 1/1 Lean. P0441 - EVAP Purge System…

ALFA ROMEO · 2017-06-09

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Engine Control Module (ECM), also known as a 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 one or more of the following DTCs have been set:P0455-00 - Evaporative Emission System Leak Detected (Large Leak). P0087 - Fuel Rail Pressure Too Low - Bank 1. P2172 - Throttle Actuator Control System - Sudden High Air Flow Detected. P0171 - System Too Lean Bank 1. P0236 - Turbocharger/Supercharger Boost Pressure Sensor Performance. P0363 - Misfire Detected - Fueling Disabled. P1CEA - Boost Side EVAP Purge System Performance. P250B - Engine Oil Level Sensor…

BUICK, CADILLAC, CHEVROLET, GMC · 2017-05-11

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.

CHEVROLET · 2017-03-15

16139 - Special Coverage. On certain vehicles, a P0171 Fuel System Lean or P0101 Mass Air Flow (MAF) Sensor Performance diagnostic trouble code may set as a result of a cracked air cleaner outlet duct. Dealers are to replace the air cleaner outlet duct as necessary. The repairs will be made at no charge to the customer.

FORD · 2017-02-15

SOME 2015 TRANSIT VEHICLES BUILT ON OR BEFORE 30-MAR-2015 MAY EXHIBIT VARIOUS DRIVABILITY CONCERNS INCLUDING DIFFICULTY STARTING, MISFIRES AND/OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) P00BD, P1247, P1548, P061B, P2195, P2198, P2196, P2197, P0171, P0172, P0174, P0175, P0131 AND/OR P162F STORED IN THE POWERTRAIN CONTROL MODULE (PCM) MEMORY. THIS MAY BE DUE TO UNDESIRED WATER ENTRY INTO THE ENGINE COMPARTMENT DIRECTLY OVER POWERTRAIN COMPONENTS. FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.

BUICK, CHEVROLET · 2017-02-01

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.