Service bulletins for the 2026 MadJax Ascent
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.
4 on file from NHTSA, as of 2026-10-19.
By type
By component
| TSB-2026-ASC-004-R0 | 2026-09-08. Other. VEHICLE SPEED CONTROL. Notice to replace throttle switch with replacement instructions |
|---|---|
| TSB-2026-ASC-003-R0 | 2026-07-31. Other. POWER TRAIN. Notice related to modification of trunk socket |
| TSB-2026-ASC-002-R0 | 2026-07-31. Other. POWER TRAIN. Updated guidance to limit vehicle speed while in valet mode |
| TSB-2026-ASC-001-R0 | 2026-07-31. Other. POWER TRAIN. Notice with instructions related to updating firmware to correct engine light |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.