# Service bulletin BPaS07272018903

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: 10143698
- Published by NHTSA: 2018\-08\-20
- Manufacturer's number: BPaS07272018903
- Manufacturer's date: 2018\-07\-27
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Dealer message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2018 MDXs a client complaint of the auto idle stop inoperative. 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/2018/MC-10143698-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10143698-0001.pdf)

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

## Components

Engine

## Vehicles listed

- 2018 ACURA MDX

## 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

- [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.
- [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.
- [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.
- [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\).
- [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.
- [B23\-002](/bulletins/10233292.md), 2023-03-29, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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. 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.
- [ONL6AX03102023](/bulletins/10232976.md), 2023-03-18, Service bulletin: ENGINE AND ENGINE COOLING. Product Update \- 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.
- [ONL6T603102023\-3](/bulletins/10232974.md), 2023-03-18, Service bulletin: ENGINE AND ENGINE COOLING. Warranty Extension \- Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.
- [ONL6T603102023](/bulletins/10232972.md), 2023-03-18, Service bulletin: ENGINE AND ENGINE COOLING. Warranty Extension \- Warranty Extension reimbursement form for engine idle stop repairs made before the warranty extension notice date.

JSON: [/v1/bulletins/10143698](/v1/bulletins/10143698)

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