# Service bulletin BTI\&10062022908

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: 10222821
- Published by NHTSA: 2022\-10\-12
- Manufacturer's number: BTI\&10062022908
- Manufacturer's date: 2022\-10\-06
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2020\-2021 RDXs \& TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect 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-10222821-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10222821-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2020 to 2021 ACURA RDX
- 2020 to 2021 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

## Other bulletins for the same vehicles and component

- [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.
- [B25\-048](/bulletins/11023273.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.
- [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.
- [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.
- [B24040A](/bulletins/11000147.md), 2024-05-15, Other: ENGINE. Service News \- Due to On\-Board Diagnostic \(OBD\) regulation change starting with 2019 vehicles, American Honda’s Variable Valve Timing and Lift Electronic Control \(VTEC\) On\-Board Diagnostic monitors are now included in the EGR/VVT OBD Monitor Readiness status group. Due to some customer’s driving patterns, they may not drive in the fashion needed to operate the VTEC \(EGR/VVT\) that only operates above 5,350 rpm to run the OBD monitoring. Therefore, the EGR/VVT OBD monitor group readiness status is not set to “Complete” when the customer presents their vehicle to a Smog Check station for inspection.
- [B20\-053](/bulletins/10251896.md), 2024-03-19, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Bulletin \- The MIL is flashing with a loss of power. This is most common in hot, humid regions, or after a period of rainfall. Humid air within the intake passage may condense and accumulate moisture during steady driving which enters the engine and may cause a misfire and a flashing MIL.
- [B23\-035](/bulletins/10248978.md), 2024-01-17, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Service Bulletin \- The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 \(Evaporative Emission \(EVAP\) System Purge Flow Malfunction\).
- [B23\-035](/bulletins/10247626.md), 2023-12-23, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Service Bulletin \- Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 \(Evaporative Emission \(EVAP\) System Purge Flow Malfunction\).
- [ONL6AX07052023](/bulletins/10239111.md), 2023-07-14, Service bulletin: ENGINE AND ENGINE COOLING. Owner Notification Letter \- Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM\-FI software update to fix this issue.
- [ONL6WU04282023](/bulletins/10235553.md), 2023-05-04, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING. Owner Notification Letter \- An owner's notification that the owner has not completed the emissions recall for an improperly functioning on\-board emission\-related diagnostic system.

JSON: [/v1/bulletins/10222821](/v1/bulletins/10222821)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20BTI%2610062022908&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10222821&vehicle=Service%20bulletin%20BTI%2610062022908)