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Service bulletin DOC-1034491

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 id10165491
Published by NHTSA2019-10-03
Manufacturer's numberDOC-1034491
Manufacturer's date2019-09-30
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Service Solution to fix fault codes for DEF quality or DEF level

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

Vehicles listed
FCCC S2C 106CAB2015
FCCC S2C 106CAB2017 to 2019
FCCC XBP2011
FCCC XBP2014 to 2020
FCCC XBR2014 to 2019
FCCC XBS2014 to 2019
FCCC XCL2014 to 2019
FCCC XCM2014 to 2020
FCCC XCP2014 to 2019
FCCC XCR2014 to 2020
FCCC XCS2014 to 2019
THOMAS BUILT BUSES SAF-T-LINER C22014 to 2020

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