# Service bulletin TechTalk7860

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: 10183451
- Published by NHTSA: 2020\-12\-02
- Manufacturer's number: TechTalk7860
- Manufacturer's date: 2020\-11\-12
- NHTSA component: VISIBILITY; EQUIPMENT

## NHTSA's summary

Tech Talk discussion on P4 BPHS code 523450/11, PCU compressor\-internal fault.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183451-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183451-9999.pdf)

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

## Components

Equipment and accessories, Glass, wipers and mirrors

## Vehicles listed

- 2020 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [22V338000](/recalls/nhtsa/22V338000.md), 2022-05-16: EQUIPMENT:OTHER:LABELS

## Other bulletins for the same vehicles and component

- [SS3076\-FTL](/bulletins/11024972.md), 2025-11-05, Other: VISIBILITY/WIPER. Service Solution for P4 Main Mirror Arm Covers Loose \- Falling Off
- [SS3142\-FTL](/bulletins/11011107.md), 2024-12-04, Other: LANE DEPARTURE: BLIND SPOT DETECTION; ENGINE; VISIBILITY/WIPER. Service Solution for J1939 CAN issues for vehicles equipped w/ Bendix Side Radar w/ expanded field of view
- [MYCOM\_07192024\-2](/bulletins/11005472.md), 2024-08-02, Other: VISIBILITY/WIPER. My Communications for New Espar HS3 Heater and Extreme Insulation
- [SF673](/bulletins/10252334.md), 2024-04-02, Service bulletin: EQUIPMENT. Field Service Campaign for Common Telematics Platform \(CTP\) Installation and Initialization
- [SF672\_V4](/bulletins/10246175.md), 2023-12-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Common Telematics Platform Software Update
- [SB60\-178](/bulletins/10244759.md), 2023-11-03, Service bulletin: EQUIPMENT. Service Bulletin for Relocating the Bluetooth Microphone
- [SB54\-338](/bulletins/10240131.md), 2023-08-05, Service bulletin: VISIBILITY. Revised Service Bulletin for Updating HVAC ECU Software to Fix Front HVAC Evaporator Freezing and Improve Espar Heater Cool Down. Description of Revisions: This bulletin replaces the version dated December 2021. The general information and warranty information has been updated.
- [SF672](/bulletins/10238260.md), 2023-06-29, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Field Service Campaign for Common Telematics Platform Software Update
- [SF662\_V2](/bulletins/10235647.md), 2023-05-05, Service bulletin: EQUIPMENT. Revised Freightliner Field Service Campaign for TomTom Android Black Box Update
- [SB54\-358](/bulletins/10235642.md), 2023-05-05, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Revised Freightliner Service Bulletin for Converting CTP1 to CTP2. Description of Revisions: This bulletin replaces the version dated 11/28/2022. The CTP replacement part number has been updated.

JSON: [/v1/bulletins/10183451](/v1/bulletins/10183451)

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