WenmarOpen by Wenmar Pro

Service bulletin DLR MSG - RFP -

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10124977
Published by NHTSA2017-12-08
Manufacturer's numberDLR MSG - RFP -
Manufacturer's date2014-09-09
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Dealer message - American Honda (AHM)is investigating certain 2014 MDXs & RLXs with a complaint of the Malfunction Indicator Lamp (MIL)on with the DTC P0154 (Front Air Fuel Ratio Sensor [Bank 2, Sensor 1]Heater System Malfunction)or P0134 (Rear Air Fuel Ratio Sensor [Bank 1, Sensor 1]Heater System Malfunction)stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting any further repair of any kind.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Lighting

Trouble codes named

P0134, P0154

Vehicles listed
ACURA MDX2014
ACURA RLX2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20252122025-04-17. Lights And Instruments
25V2590002025-04-17. INTERIOR LIGHTING; EXTERIOR LIGHTING
20191592019-03-28. Lights And Instruments
19V2560002019-03-28. EXTERIOR LIGHTING; EXTERIOR LIGHTING:TAIL LIGHTS
20154272015-09-25. Lights And Instruments
14V7920002014-12-16. EXTERIOR LIGHTING:HEADLIGHTS
20145652014-12-12. Lights And Instruments

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
ONL6M606032025 Form2025-07-01. Other. 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.
ONL6M606032025 Letter2025-07-01. Other. 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 Form2025-07-01. Other. 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 Letter2025-07-01. Other. 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.
B19-0192023-03-18. Service bulletin. 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.
DLR MSG - RFP -2018-03-05. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P0158 (Front Secondary Heated Oxygen Sensor Circuit High Voltage) and/or P0138 (Rear Secondary Heated Oxygen Sensor Circuit High Voltage) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any further repair of any kind.
DLR MSG - RFP -2018-03-05. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P0158 (Front Secondary Heated Oxygen Sensor Circuit High Voltage) and/or P0138 (Rear Secondary Heated Oxygen Sensor Circuit High Voltage) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any further repair of any kind.
DLR MSG - RFP -2018-03-05. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P0154 (Front Air Fuel Ratio Sensor [Bank 2, Sensor 1] Heater System Malfunction) or P0134 (Rear Air Fuel Ratio Sensor [Bank 1, Sensor 1] Heater System Malfunction) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting any further repair of any kind.
DLR MSG - RFP -2018-03-05. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P0154 (Front Air Fuel Ratio Sensor [Bank 2, Sensor 1] Heater System Malfunction) or P0134 (Rear Air Fuel Ratio Sensor [Bank 1, Sensor 1] Heater System Malfunction) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting any further repair of any kind.
Service Bulletin2017-08-25. Service bulletin. Service bulletin - The reflective film backing material inside the headlights may delaminate, which may result in the vehicle no longer conforming to Federal Motor Vehicle Safety Standard No. 108.