Service bulletins for the 2021 Mazda Mazda2
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.
80 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 01-007-21-3792 | 2021-04-26. Service bulletin. POWER TRAIN. Some customers may experience the CHECK ENGINE light ON with DTC P0089:00 (Spill valve control solenoid valve control circuit range/performance problem) stored. This is caused by improper control software of the PCM detecting a false error, even with normal fuel pressure operation. To correct this issue, the control software of the PCM has been modified. |
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| 01-006-21-3779 | 2021-03-03. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure. |
| 01-005-21-3778 | 2021-03-03. Service bulletin. ELECTRICAL SYSTEM. The Mazda DCA-8000PM is required for all warranty battery testing. If the Mazda DCA-8000PM is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. |
| 09-002-21-3770 | 2021-02-05. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EQUIPMENT. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer |
| SA266 | 2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. MAZDA Mobile start (MMS) cannot communicate with vehicle |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.