Service bulletins for the 2014 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.
270 on file from NHTSA, as of 2026-10-19.
About P0430 on the 2014 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: P0430 are shown. Show all
| B17-034 | 2018-03-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. |
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| B17-034 | 2017-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. |
| B17-034 | 2017-09-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. |
| B15-053 | 2017-09-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Service bulletin - This bulletin is replaced by S/B 17-034, MIL Comes On with DTC P0430 (Front Bank Catalyst System Efficiency Below Threshold [Bank 2]) |
| B15-053 | 2017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. |
| DLR MSG - RFI - | 2017-06-30. Service bulletin. ENGINE. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014 MDXS WITH CLIENTS REPORTING A VEHICLE WITH THE MIL INDICATOR ON WITH DTC P0430 AND HAS NO HISTORY OF ENGINE MISFIRE OR OTHER ENGINE ISSUES. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT INFORMATION FROM THE VEHICLE IN A SPECIFIC CONDITION PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND. |
| DLR MSG - RFI - | 2017-06-29. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014MDXS WITH CLIENTS REPORTING A VEHICLE WITH THE MILINDICATOR ON WITH DTC P0430 AND HAS NO HISTORY OF ENGINE MISFIRE OR OTHER ENGINE ISSUES. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT INFORMATION FROM THE VEHICLE IN A SPECIFIC CONDITION PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND." |
| DLR MSG - RFI - | 2017-06-21. Service bulletin. ENGINE. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014 MDXS WITH CLIENTS REPORTING A VEHICLE WITH THE MIL INDICATOR ON WITH DTC P0430 AND HAS NO HISTORY OF ENGINE MISFIRE OR OTHER ENGINE ISSUES. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT INFORMATION FROM THE VEHICLE IN A SPECIFIC CONDITION PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND. |
| BER15050A | 2017-06-21. Service bulletin. ENGINE. "ENGINEERING REQUEST - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014 MDXS WITH CLIENTS REPORTING A VEHICLE WITH THE MIL INDICATOR ON WITH DTC P0430 AND HAS NO HISTORY OF ENGINE MISFIRE OR OTHER ENGINE ISSUES. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT INFORMATION FROM THE VEHICLE IN A SPECIFIC CONDITION PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND." |
| B15-053 | 2017-05-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. SERVICE BULLETIN - THE MIL COMES ON WITH DTC P0430 (FRONT BANK CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD [BANK 2]). THE PCM SOFTWARE MAY MISINTERPRET SENSOR INPUTS AS A DETERIORATED CATALYTIC CONVERTER. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.