# Service bulletin BTI\&04132022901

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: 10211102
- Published by NHTSA: 2022\-05\-06
- Manufacturer's number: BTI\&04132022901
- Manufacturer's date: 2022\-04\-13
- NHTSA component: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

## 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-10211102-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211102-9999.pdf)

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

## Components

Engine

## 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

- [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
- [19V298000](/recalls/nhtsa/19V298000.md), 2019-04-12: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
- [2019179](/recalls/tc/2019179.md), 2019-04-11: Engine

## Other bulletins for the same vehicles and component

- [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.
- [B23\-029](/bulletins/11017329.md), 2025-04-29, Service bulletin: ENGINE. Service Bulletin \- The lock\-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock\-up clutch capacity results in the transmission indicator flashing “D” and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
- [BEBM04182025901](/bulletins/11017327.md), 2025-04-29, Other: ENGINE. Dealer Message \- Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock\-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock\-up piston. The reduced lock\-up clutch capacity results in the MIL not illuminating. “D” flashes and “Transmission Overheat” message appears setting DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
- [B24\-022](/bulletins/11015014.md), 2025-03-05, Service bulletin: ENGINE. Service Bulletin \- The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
- [B16\-008](/bulletins/11007653.md), 2024-09-10, Service bulletin: ENGINE. Service Bulletin \- Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.
- [ONL6AX05292024](/bulletins/11000723.md), 2024-06-03, Other: ENGINE. 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.

JSON: [/v1/bulletins/10211102](/v1/bulletins/10211102)

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