Service bulletins for the 2019 Acura RDX
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.
223 on file from NHTSA, as of 2026-10-19.
About C1844 on the 2019 Acura RDX: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: C1844 are shown. Show all
| B20-032 | 2021-09-02. Service bulletin. POWER TRAIN; VEHICLE SPEED CONTROL. Service Bulletin - The AWD indicator comes on with DTC C1843-62 (left rear differential fluid pressure deviation) and/or DTC C1844-62 (right rear differential fluid pressure deviation). |
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| B20-032 | 2021-04-05. Service bulletin. POWER TRAIN; VEHICLE SPEED CONTROL. Service Bulletin - The AWD indicator comes on with DTC C1843-62 (left rear differential fluid pressure deviation) and/or DTC C1844-62 (right rear differential fluid pressure deviation). |
| B20-032 | 2020-07-21. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. Service Bulletin - The AWD indicator comes on with DTC C1843-62 (left rear differential fluid pressure deviation) and/or DTC C1844-62 (right rear differential fluid pressure deviation). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.