# Service bulletin CALFCCC54\-002

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: 10187592
- Published by NHTSA: 2021\-02\-27
- Manufacturer's number: CALFCCC54\-002
- Manufacturer's date: 2021\-02\-17
- NHTSA component: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE

## NHTSA's summary

Customer Advisory Letter for C2 School Bus Aft Fuel System Harness Update. Freightliner Custom Chassis has determined that the aft fuel system wiring harness on C2 School Buses may not have been built as the schematic indicates. The vehicle should be inspected. If the harness is found to have been incorrectly built, it will be repaired.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187592-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187592-9999.pdf)

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

## Components

Electrical system, Fuel system

## Vehicles listed

- 2019 to 2022 THOMAS BUILT BUSES SAF\-T\-LINER C2

JSON: [/v1/bulletins/10187592](/v1/bulletins/10187592)

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