# Service bulletin SF683

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.

- Type: Service bulletin
- NHTSA id: 10251210
- Published by NHTSA: 2024\-03\-06
- Manufacturer's number: SF683
- Manufacturer's date: 2024\-02\-07
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Field Service Campaign for Detroit Engine Fan HVAC Integration

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251210-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251210-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2023 to 2024 FREIGHTLINER 114SD
- 2023 to 2024 FREIGHTLINER BUSINESS CLASS M2

## Recalls for the same vehicles and component

- [23V737000](/recalls/nhtsa/23V737000.md), 2023-11-02: ENGINE
- [2022413](/recalls/tc/2022413.md), 2022-07-29: Engine
- [22V554000](/recalls/nhtsa/22V554000.md), 2022-07-29: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## Other bulletins for the same vehicles and component

- [CXA 03\_26\_Surge Tank](/bulletins/11030507.md), 2026-04-02, Other: ENGINE. CX Advocate for discolored coolant surge tanks \(24CSA\-20\)
- [FleetCom\_Heater Core](/bulletins/11027493.md), 2026-01-08, Other: ENGINE. Fleet Communications for Heater Core Plugging
- [TSB54\-377\-FTL](/bulletins/11027199.md), 2026-01-07, Service bulletin: ENGINE. Technical Service Bulletin Low Coolant Sensor
- [TSB54\-371\-FTL](/bulletins/11024975.md), 2025-11-05, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Technical Service Bulletin for Enabling Virtual Regen Request Switch in ICU Menu
- [CXA\_10\_25\_Conmet Oil Pan](/bulletins/11024958.md), 2025-11-05, Other: ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues
- [CXA\_9\_25\_MDEG Updates](/bulletins/11023679.md), 2025-10-03, Other: ENGINE. CX Advocate for MDEG Updates
- [24CSA\-19Rev](/bulletins/11022317.md), 2025-09-02, Other: ENGINE. Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product \(HDEP\) Oil Separator Leaks
- [CXA 6\_25\_MDEG Updates](/bulletins/11019793.md), 2025-06-27, Other: ENGINE. CX Advocate for MDEG Updates
- [CXA\_5\_25\_MDEG Updates](/bulletins/11019117.md), 2025-06-04, Other: ENGINE. CX Advocate for CX Advocate for MDEG Updates
- [CXA 3\_25\_NOx](/bulletins/11016309.md), 2025-04-02, Other: ENGINE. CX Advocate for NOx conversion low faults

JSON: [/v1/bulletins/10251210](/v1/bulletins/10251210)

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