Service bulletins for the 2003 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.
189 on file from NHTSA, as of 2026-10-19.
About P0456 on the 2003 Acura MDX: 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: P0456 are shown. Show all
| 03036 | 2004-08-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0456. *TT |
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| 012004 | 2004-03-17. Service bulletin. UNKNOWN OR OTHER. EMISSION RECALL & DIAGNOSTIC TROUBLE CODE (DTC) P0456 SOFTWARE UPDATE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.