P219B · 厂商技术资料

RAM · 2026-07-29

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set SYMPTOM: one or more of the following Diagnostic Trouble Codes (DTCs): ● P219A - Bank 1 Air-Fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance. ● P032F - Combustion Engine Producing Insufficient Torque. NOTE: This revision has an updated and more effective fix for DTC P219B than the prior version. Customers may experience one or more of the following: ● **Power Take Off (PTO) may cancel during engagement with high PTO loads.** ● Engine speed surging, unstable, hunting, or oscillating while coasting at low vehicle speeds. ● Stationary Idle PTO feature is not activating when the user configuration is selected to require parking…

RAM · 2026-06-24

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P219A - Bank 1 Air-Fuel Ratio Imbalance Bank 1. ● P219B - Bank 2 Air-fuel Ratio Imbalance. NOTE: This revision has an updated and more effective fix for DTC P219B than the prior version. Customers may also comment on one or more of the following: ● **Power Take-Off (PTO) may cancel during engagement with high PTO loads.** ● PTO not auto-resuming after hard-wired remote start (DD/DP Only). ● Engine speed surging, unstable, or oscillating while coasting at low vehicle speeds. ● Stationary Idle PTO feature is not activating when the user configuration is selected to require…

RAM · 2026-03-10

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set **one or more of the following Diagnostic Trouble Codes (DTCs)**: ● **P219A - Bank 1 Air-Fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance.** ● P032F - Combustion Engine Producing Insufficient Torque. Customers may experience one or more of the following: ● **Engine speed surging, unstable, hunting, or oscillating while coasting at low vehicle speeds. ● Stationary Idle Power Take off (PTO) feature is not activating when the user configuration is selected to require parking brake be set (DD/DP Only). ● PTO not auto-resuming after hard-wired remote start (DD/DP Only).** ● Driveline clunk or bump when coasting to a stop **in cruise…

RAM · 2026-03-10

Technical Service Bulletin (TSB) Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set **one or more of the following Diagnostic Trouble Codes (DTCs)**: ● **P219A - Bank 1 Air-Fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance.** ● P032F - Combustion Engine Producing Insufficient Torque. Customers may experience one or more of the following: ● **Engine speed surging, unstable, hunting, or oscillating while coasting at low vehicle speeds. ● Stationary Idle Power Take off (PTO) feature is not activating when the user configuration is selected to require parking brake be set (DD/DP Only). ● PTO not auto-resuming after hard-wired remote start (DD/DP Only).** ● Driveline clunk or bump…

FORD, LINCOLN · 2025-01-30

Some 2023-2025 Explorer/Aviator vehicles equipped with the 3.0L EcoBoost engine and up to 15,000 miles (24,140 km) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P219A (Bank 1 Air-Fuel Ratio Imbalance) and/or P219B (Bank 2 Air-Fuel Ratio Imbalance) stored in the powertrain control module (PCM) with no effect on vehicle operation.

FORD, LINCOLN · 2024-09-18

Some 2023-2025 Explorer/Aviator vehicles equipped with the 3.0L EcoBoost engine and up to 15,000 miles (24,140 km) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P219A (Bank 1 Air-Fuel Ratio Imbalance) and/or P219B (Bank 2 Air-Fuel Ratio Imbalance) stored in the powertrain control module (PCM) with no effect on vehicle operation.

JEEP · 2024-05-03

"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): ● P219A - Bank 1 Air-fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance. The customer may experience one or more of the following: ● Drivability issues. ● Lack of torque delivery. This bulletin involves reprogramming the PCM with the latest available software."

DODGE · 2024-05-03

"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): ● P219A - Bank 1 Air-fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance. The customer may experience one or more of the following: ● Drivability issues. ● Lack of torque delivery This bulletin involves reprogramming the PCM with the latest available software."

FORD, LINCOLN · 2024-05-02

Some 2023-2024 Explorer/Aviator vehicles equipped with the 3.0L EcoBoost engine and up to 15,000 miles (24,140 km) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P219A (Bank 1 Air-Fuel Ratio Imbalance) and/or P219B (Bank 2 Air-Fuel Ratio Imbalance) stored in the powertrain control module (PCM) with no effect on vehicle operation. To correct this condition, replace the fuel injector assemblies (service part L1MZ-9F593-B) for only the respective bank setting the DTC. Refer to Workshop Manual, Section 303-04B. For claiming, use causal part 9F593 and applicable labor standards in Section 10 of the Service Labor Time Standards (SLTS) Manual.

RAM · 2021-08-05

Customer complaint may include the transmission going into neutral on its own. A Mil-on/check engine lamp-on condition may also be present. Upon further investigation, one or more of the following DTCs may be set in the powertrain control module (PCM): P219A-Bank 1 Air-Fuel Ratio Imbalance P219B-Bank 2 Air-Fuel Ratio Imbalance P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation) P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) P0172-Fuel System 1/1 Rich P0175-Fuel System 2/1 Rich (Incorrect "July 2021" on document)

BUICK, CADILLAC, CHEVROLET, GMC · 2021-04-09

This Preliminary information communicates diagnostic assistance for DTC's P219A and P219B.

HONDA · 2021-03-29

"Owner Notification Letter - On some 2016-17 Pilot, 2017 Ridgeline, and 2018 Odysey models, the malfunction indicator light (MIL) may come on if one of the following diagnostic trouble codes (DTCs) are stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) Depending on which DTCs were stored, the powertrain control module (PCM) may need the PGM-FI and A/T software updated. Additionally, the fuel injectors may need to be replaced. American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or…

HONDA · 2021-03-29

"Owner Notification Letter - On some 2017-19 Pilot, 2017-19 Ridgeline, and 2018-19 Odyssey models, the malfunction indicator light (MIL) may come on if one or more of the following diagnostic trouble codes (DTCs) are stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on the fuel injectors to 10 years from the original date of purchase or 150,000 miles, whichever comes first. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on…

HONDA · 2021-02-11

"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first."

HONDA · 2021-02-11

"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first."

HONDA · 2021-02-11

Service Bulletin - MIL Comes On with DTC P0430 or P0430 with P030X, P219A, P219B (Without Software Update)

HONDA · 2021-02-11

Service Bulletin - MIL Comes On with DTC P0430 or P0430 with P030X, P219A, P219B (With Software Update)

HONDA · 2020-11-24

"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored: -P0420 (rear bank catalyst system efficiency below threshold [bank 1]) -P0430 (front bank catalyst system efficiency below threshold [bank 2]) -P0300-P0306 (misfire) -P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) -P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first."

HONDA · 2020-11-24

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may also be stored: -P030X (misfire) -P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) -P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

FORD · 2020-09-18

Some 2018 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2196, P2198, P2BF0, P2BF2, P2BF1, P2BF3, P2BEC, P2BED, P2BEE, P2BEF, P130D, P0300, P0316, P0301-P0306, P0171, P0174, P219A, P219B, P0172 and/or P0175 stored in the powertrain control module (PCM). This may be due to software in the powertrain control module (PCM) or direct injection fuel injectors leaking down. To correct the condition, follow the Service Procedure to reprogram the PCM and/or replace the direct injection fuel injectors.

HONDA · 2019-12-20

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: - P030X (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-08-14

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: - P030X (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-08-09

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: -P030X (misfire) -P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) -P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-07-19

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: -P030X (misfire) -P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) -P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-07-05

"The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: - P030X (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-07-05

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: - P030X (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

HONDA · 2019-07-05

"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may be stored: - P030X (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"

NISSAN · 2019-03-04

NISSAN; MIL ON WITH DTC P219A AND/OR P219B STORED This bulletin applies to Titan XD vehicles equipped with a VK56D gas engine only. SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.

INFINITI · 2019-03-04

INFINITI; MIL ON WITH DTC P219A AND/OR P219B STORED SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.

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.