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Service bulletin 20CSA-05

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10174069
Published by NHTSA2020-04-26
Manufacturer's number20CSA-05
Manufacturer's date2020-04-24
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Customer Service Announcement saying that Service Pack (SP) 4 for DiagnosticLink 8.11 Standard and Professional is available for download from the Detroit Diesel server. Resolves an issue where fault codes may be introduced after reprogramming CPC5.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Software

Vehicles listed
FREIGHTLINER ECONIC SD2020 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.