Service bulletins for the 2012 Mazda CX-9
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.
291 on file from NHTSA, as of 2026-10-19.
About P219B on the 2012 Mazda CX-9: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P219B are shown. Show all
| 01-027-13-2836a | 2017-08-10. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE; ELECTRICAL SYSTEM. Some vehicles may experience MIL illumination with DTC P219A:00 and/or P219B:00 stored in PCM memory. The DTCs may be caused by abnormal electrical noise within the engine harness of certain vehicles. To elimi-nate this concern, separate the A/F sensor signal lines from the emission harness by installing the short cord service part detailed in this bulletin. |
|---|---|
| 01-006-15-3039 | 2017-05-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME VEHICLES MAY EXPERIENCE MIL ILLUMINATION WITH DTC P219A:00 AND/OR P219B:00 STORED IN PCM MEMORY. THE DTCS MAY BE CAUSED BY ABNORMAL ELECTRICAL NOISE WITHIN THE ENGINE HARNESS OF CERTAIN VEHICLES. TO ELIMINATE THIS CONCERN, SEPARATE THE A/F SENSOR SIGNAL LINES FROM THE EMISSION HARNESS BY INSTALLING THE SHORT CORD SERVICE PART DETAILED IN THIS BULLETIN. |
| 01-027-13-2836 | 2017-04-24. Service bulletin. EQUIPMENT. SOME VEHICLES MAY EXPERIENCE MIL ILLUMINATION WITH DTC P219A:00 AND/OR P219B:00 STORED IN PCM MEMORY. THE DTCS MAY BE CAUSED BY ABNORMAL ELECTRICAL NOISE WITHIN THE ENGINE HARNESS OF CERTAIN VEHICLES. TO ELIMI-NATE THIS CONCERN, SEPARATE THE A/F SENSOR SIGNAL LINES FROM THE EMISSION HARNESS BY INSTALLING THE SHORT CORD SERVICE PART DETAILED IN THIS BULLETIN. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.