# Service bulletin TechTalk8093

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: 10186550
- Published by NHTSA: 2021\-02\-02
- Manufacturer's number: TechTalk8093
- Manufacturer's date: 2021\-01\-31
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING

## NHTSA's summary

Tech Talk discussion on Cummins ISX fault 5865.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186550-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186550-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline

## Vehicles listed

- 2020 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [2021399](/recalls/tc/2021399.md), 2021-06-25: Electrical
- [21V481000](/recalls/nhtsa/21V481000.md), 2021-06-25: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
- [19V137000](/recalls/nhtsa/19V137000.md), 2019-02-27: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)

## Other bulletins for the same vehicles and component

- [TSB\-26\-057\-FTL](/bulletins/11033103.md), 2026-06-01, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- [TSB\-26\-055\-FTL](/bulletins/11028073.md), 2026-02-03, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 Excessive Wear
- [TSB\-26\-055\-FTL](/bulletins/11028063.md), 2026-02-03, Service bulletin: POWER TRAIN. Technical Service Bulletin for DT12 Excessive Wear
- [TSB\-26\-052\-FTL](/bulletins/11028062.md), 2026-02-03, Service bulletin: POWER TRAIN. Technical Service Bulletin for DT12 PTO Upfit
- [FleetCom\_Passive Lube](/bulletins/11027502.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for Detroit Axle NFD ALM to Passive Lube Management
- [FleetCom\_Oil Plug Loc](/bulletins/11027500.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location \- SP Axles
- [FleetCom\_NFD Axle](/bulletins/11027497.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for Detroit NFD Axle \- Factory Fluid Change
- [FleetCom\_Heater Core](/bulletins/11027493.md), 2026-01-08, Other: ENGINE. Fleet Communications for Heater Core Plugging
- [FleetCom\_SS 3174\-FTL](/bulletins/11026469.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communication for SS 3174\-FTL
- [FleetCom\_AMP Draw](/bulletins/11026454.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communications for Key off amp draw

JSON: [/v1/bulletins/10186550](/v1/bulletins/10186550)

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