# Service bulletin B19\-012

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: 10153887
- Published by NHTSA: 2019\-02\-26
- Manufacturer's number: B19\-012
- Manufacturer's date: 2019\-02\-21
- NHTSA component: ENGINE

## NHTSA's summary

Service Bulletin \- There is a knocking or clicking from the engine during cold startup.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153887-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153887-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2016 to 2018 ACURA ILX
- 2015 to 2018 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

- [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.
- [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.
- [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.
- [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.
- [B23\-009](/bulletins/10235126.md), 2023-04-27, Service bulletin: ENGINE AND ENGINE COOLING. Service Bulletin \- The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. Water can enter the starter motor. In cold temperatures the water can freeze, preventing the starter motor from cranking the engine.
- [Defect Code 6T6,](/bulletins/10215501.md), 2022-07-07, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "Customer letter \- Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. To ensure your confidence in your vehicle. Acura is extending the warranty coverage for starter and starter relays and a valve adjustment related to this condition to 10 years from the original date of purchase with no mileage limitation. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem."
- [Defect Code 6AX,](/bulletins/10215500.md), 2022-07-07, Service bulletin: FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "Customer 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. In addition, to ensure your confidence in your vehicle, Acura is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem."

JSON: [/v1/bulletins/10153887](/v1/bulletins/10153887)

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