Service bulletins for the 2019 Acura MDX
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.
138 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Automatic transmission are shown. Show all
| BBOM09152020 | 2020-09-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Dealer Message - Today, September 15, 2020, Acura is announcing a stop sale and emissions recall for certain 2017-2020 MDX Sport Hybrid and 2014, 2016-2020 RLX Sport Hybrid vehicles that may not properly clear specific diagnostic trouble codes (DTC). Presence of these codes may prevent the vehicle from passing a smog test. Refer to your eResponsibility report or do an iN VIN status inquiry to determine which units in your inventory are affected. |
|---|---|
| B20-039 | 2020-09-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable to engage gear 5) -P074F (unable to engage gear 7) Due to inappropriate calibration of the PCM, the OBD system cannot properly clear the transmission permanent DTC as required." |
| B19-004 | 2019-02-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Service bulletin - The transmission judders, shudders, or surges while driving. The transmission fluid has deteriorated prematurely. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.