# Service bulletins for the 2020 Freightliner Classic

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.

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

- [CXA 3\_25\_NOx](/bulletins/11016309.md), 2025-04-02, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 2\_25\_NOx](/bulletins/11014818.md), 2025-03-04, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 1\_16\_NOx](/bulletins/11013204.md), 2025-01-29, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 7\_24\_NOx](/bulletins/11005500.md), 2024-08-02, Other: ENGINE. CX Advocate for NOx conversion low faults. Update to CXA 6\_24\_NOx submission.
- [CXA 06\_24\_Clutch Bolts](/bulletins/11003924.md), 2024-07-09, Other: POWER TRAIN. CX Advocate communication for clutch bolts
- [CXA 06\_24\_NOx](/bulletins/11003889.md), 2024-07-09, Other: ENGINE. CX Advocate communication for NOx conversion low faults
- [VSWP Customer Letter](/bulletins/11001976.md), 2024-06-22, Other: ENGINE. Customer letter regarding variable speed water pump.
- [SS3122\-FTL2023](/bulletins/10241577.md), 2023-09-02, Service bulletin: VISIBILITY. Service Solution for front HVAC Controller \- Diagnostic Infomration Updates

JSON: [/v1/vehicles/2020_freightliner_classic/bulletins](/v1/vehicles/2020_freightliner_classic/bulletins)

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