# 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 bulletins from NHTSA, as of 2026-10-19.

- [TSB\-2026\-ASC\-004\-R0](/bulletins/11037138.md), 2026-09-08, Other: VEHICLE SPEED CONTROL. Notice to replace throttle switch with replacement instructions
- [TSB\-2026\-ASC\-003\-R0](/bulletins/11035373.md), 2026-07-31, Other: POWER TRAIN. Notice related to modification of trunk socket
- [TSB\-2026\-ASC\-002\-R0](/bulletins/11035372.md), 2026-07-31, Other: POWER TRAIN. Updated guidance to limit vehicle speed while in valet mode
- [TSB\-2026\-ASC\-001\-R0](/bulletins/11035371.md), 2026-07-31, Other: POWER TRAIN. Notice with instructions related to updating firmware to correct engine light

JSON: [/v1/vehicles/2026_madjax_ascent/bulletins](/v1/vehicles/2026_madjax_ascent/bulletins)

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