# Service bulletin BTI\&04042023901

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: 10234574
- Published by NHTSA: 2023\-04\-20
- Manufacturer's number: BTI\&04042023901
- Manufacturer's date: 2023\-04\-04
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Dealer Message \- Honda is searching for certain 2019 \- 2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better 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/2023/MC-10234574-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234574-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2019 to 2020 ACURA MDX

## Recalls for the same vehicles and component

- [2025212](/recalls/tc/2025212.md), 2025-04-17: Lights And Instruments
- [25V259000](/recalls/nhtsa/25V259000.md), 2025-04-17: INTERIOR LIGHTING; EXTERIOR LIGHTING
- [2019159](/recalls/tc/2019159.md), 2019-03-28: Lights And Instruments
- [19V256000](/recalls/nhtsa/19V256000.md), 2019-03-28: EXTERIOR LIGHTING; EXTERIOR LIGHTING:TAIL LIGHTS

## Other bulletins for the same vehicles and component

- [ONL6L806042025 Form](/bulletins/11019900.md), 2025-07-01, Other: EXTERIOR LIGHTING. Owner Notification Letter \- An uneven sealing surface allows moisture to enter the inner taillight\(s\), causing one or both of the inner taillights not to work.
- [ONL6L806042025 Letter](/bulletins/11019899.md), 2025-07-01, Other: EXTERIOR LIGHTING. Owner Notification Letter \- An uneven sealing surface allows moisture to enter the inner taillight\(s\), causing one or both of the inner taillights not to work.
- [BTI\&05252023902](/bulletins/10237171.md), 2023-06-02, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [BTI\&05092023902](/bulletins/10236568.md), 2023-05-23, Service bulletin: EXTERIOR LIGHTING. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [BTI\&04182023901](/bulletins/10235125.md), 2023-04-27, Service bulletin: EXTERIOR LIGHTING. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [BTI\&03212023901](/bulletins/10233290.md), 2023-03-29, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- [B19\-019](/bulletins/10232964.md), 2023-03-18, Service bulletin: EXTERIOR LIGHTING. Service Bulletin \- Recall update for 2014 \- 2019 MDX and 2017 \- 2019 MDX Hybrid Sport models. An uneven sealing surface allows moisture to enter the inner taillight\(s\), causing one or all of the taillights not to work. Honda updated the inspection procedure to replace both inner taillights if one or both inner taillights do not come on.
- [BTI\&03062023902](/bulletins/10232961.md), 2023-03-18, Service bulletin: EXTERIOR LIGHTING. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the driver’s door jamb must be 12/2018 or later. 2. Must confirm that the lid light \(inner taillight\) is inop. 3. No history of side or rear impact collision. 4. No repair has been attempted.
- [BTI\&02092023904](/bulletins/10231834.md), 2023-02-15, Service bulletin: EXTERIOR LIGHTING. Dealer Message\- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2019\-2020 MDXs with a client complaint of the lid light \(inner taillight\) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

JSON: [/v1/bulletins/10234574](/v1/bulletins/10234574)

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