Service bulletins for the 2002 Mazda B-Series
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.
122 on file from NHTSA, as of 2026-10-19.
About P1635 on the 2002 Mazda B-Series: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1635 are shown. Show all
| 0101502 | 2002-10-17. Service bulletin. POWER TRAIN. SOME VEHICLES MAY EXHIBIT INOPERATIVE OR INACCURATE SPEEDOMETER, 4X4 LAMP ILLUMINATION, AND / OR DIAGNOSTIC TROUBLE CODES P1635 AND / OR P1639, P0602 PRESENT AFTER POWER TRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER REPLACEMENT. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.