# Service bulletin BTI\&02222022902

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10208407
- Published by NHTSA: 2022\-03\-02
- Manufacturer's number: BTI\&02222022902
- Manufacturer's date: 2022\-02\-22
- NHTSA component: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

## NHTSA's summary

Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2016\-2020 MDXs, RDXs \& TLXs with a client complaint of the Malfunction Indicator Light \(MIL\) on with the DTC P030X \(Cylinder Misfire Detected\), P0171 \& P0174 \(Rear/Front Bank Fuel System Too Lean\), or P219A\&B \(Air\-Fuel Ratio Variation of Cylinder\) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208407-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208407-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Fuel system

## Trouble codes named

P0171, P0174, P219A

## Vehicles listed

- 2016 to 2020 ACURA MDX
- 2016 to 2020 ACURA RDX
- 2016 to 2020 ACURA TLX

## Recalls for the same vehicles and component

- [2024262](/recalls/tc/2024262.md), 2024-05-06: Fuel System
- [2023679](/recalls/tc/2023679.md), 2023-12-18: Fuel System
- [23V858000](/recalls/nhtsa/23V858000.md), 2023-12-18: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [23V751000](/recalls/nhtsa/23V751000.md), 2023-11-13: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
- [2023603](/recalls/tc/2023603.md), 2023-11-08: Engine
- [2021182](/recalls/tc/2021182.md), 2021-03-26: Fuel System
- [21V215000](/recalls/nhtsa/21V215000.md), 2021-03-25: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [2020236](/recalls/tc/2020236.md), 2020-05-28: Fuel System
- [20V314000](/recalls/nhtsa/20V314000.md), 2020-05-28: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [19V298000](/recalls/nhtsa/19V298000.md), 2019-04-12: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

## Other bulletins for the same vehicles and component

- [B26\-025](/bulletins/11037721.md), 2026-10-01, Service bulletin: FUEL/PROPULSION SYSTEM. Service Bulletin \- The factory fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut\-off valve flap seal from sealing properly. This may result in a fuel smell from the fuel fill neck area and may cause DTC P0455 or P0456 \(EVAP system leak detected\) to be set.
- [B26\-023](/bulletins/11037720.md), 2026-10-01, Service bulletin: FUEL/PROPULSION SYSTEM. Service Bulletin \- The factory fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut\-off valve flap seal from sealing properly. This may result in a fuel smell from the fuel fill neck area and may cause DTC P0455 or P0456 \(EVAP system leak detected\) to be set.
- [BEBM09252026901](/bulletins/11037712.md), 2026-10-01, Other: FUEL/PROPULSION SYSTEM. Dealer Message \- The fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut\-off valve flap seal from sealing, resulting in fuel smell from the fuel fill neck area and may cause DTC P0455 or P0456 \(EVAP system leak detected\) to be set.
- [B21673](/bulletins/11033180.md), 2026-06-02, Over\-the\-air update: ELECTRICAL SYSTEM. Over The Air Update \- Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements that add new functionality. Information for the various software releases can be found in this document. Software version: D.1.6.4
- [ONL6AX01302026](/bulletins/11028523.md), 2026-02-06, Other: FUEL/PROPULSION SYSTEM. Owner Notification Letter \- Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM\-FI software update to fix this issue.
- [BEBM12032025901](/bulletins/11026692.md), 2025-12-17, Other: ENGINE. Dealer Message \- Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the client can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
- [B25\-049](/bulletins/11023274.md), 2025-09-23, Service bulletin: ENGINE. Service Bulletin \- Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
- [BPS\&08122025901](/bulletins/11022039.md), 2025-08-21, Other: ENGINE. Dealer Message \- Acura is also implementing an additional \(1\) twenty\-four \(24\) month period for 2015 model year Acura TLX vehicles, commencing at the expiration of the 10\-year warranty extension period for each vehicle, and \(2\) eighteen \(18\) month period for 2016 model year Acura TLX/MDX vehicles, commencing at the expiration of the 10\-year warranty extension period for each vehicle, for valve adjustment and starter replacement related to this condition under warranty.
- [B23\-002](/bulletins/11020584.md), 2025-07-09, Service bulletin: ENGINE. Service Bulletin \- Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button.
- [B22\-009](/bulletins/11020583.md), 2025-07-09, Service bulletin: ENGINE. Service Bulletin \- Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button.

JSON: [/v1/bulletins/10208407](/v1/bulletins/10208407)

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