# Service bulletin CALFTL31\-003REV

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: 10189341
- Published by NHTSA: 2021\-03\-26
- Manufacturer's number: CALFTL31\-003REV
- Manufacturer's date: 2021\-03\-01
- NHTSA component: TRAILER HITCHES

## NHTSA's summary

Revised Customer Advisory Letter for Cascadia, New Cascadia, and 122SD Vehicles with Cracked Fifth Wheel Angles. Additional photos have been added.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189341-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189341-9999.pdf)

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

## Components

Trailer hitch

## Vehicles listed

- 2017 to 2020 FREIGHTLINER 122SD
- 2017 to 2020 FREIGHTLINER CASCADIA

## Other bulletins for the same vehicles and component

- [SS3123\-FTL2023](/bulletins/10243342.md), 2023-10-05, Service bulletin: TRAILER HITCHES. Service Solution for P4 New Cascadia Web Mounted 5th Wheel Ramps
- [CALFTL31\-003](/bulletins/10187594.md), 2021-02-27, Service bulletin: TRAILER HITCHES; EQUIPMENT. Customer Advisory Letter for Cascadia, New Cascadia, and 122SD Vehicles with Cracked Fifth Wheel Angles
- [TechTalk6530](/bulletins/10181945.md), 2020-11-02, Service bulletin: EQUIPMENT; TRAILER HITCHES; EQUIPMENT ADAPTIVE/MOBILITY. Tech Talk discussion on P4 ICU TRAILER DISCONNECT WARNING.
- [CALFTL31\-002REV](/bulletins/10170842.md), 2020-02-01, Service bulletin: TRAILER HITCHES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Revised Customer Advisory Letter for performing a Fifth Wheel Air\-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve. This revision updates the Standard Repair Times \(SRTs\) in the work instructions section.
- [CALFTL31\-002](/bulletins/10170604.md), 2020-01-22, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY. Customer Advisory Letter for performing a Fifth Wheel Air\-Operated Kingpin Release Functionality Inspection on vehicles equipped with a dash controlled fifth wheel air operated king pin release valve.
- [Fifth Wheel Fast](/bulletins/10146276.md), 2018-10-29, Service bulletin: EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY. Fifth Wheel Plate to Outboard Angle Fastener Torque

JSON: [/v1/bulletins/10189341](/v1/bulletins/10189341)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20CALFTL31-003REV&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10189341&vehicle=Service%20bulletin%20CALFTL31-003REV)