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Service bulletin TSB200012-011620

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 id10171589
Published by NHTSA2020-02-24
Manufacturer's numberTSB200012-011620
Manufacturer's date2020-01-16
NHTSA componentFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution when Fault Code 1922 comes active after driving unit with a recent ECM calibration. Settings in the calibration result in the soot load value monitored by the ECM to be higher than what is currently present in the diesel particulate filter (DPF).

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

Fuel system

Vehicles listed
CUMMINS X12

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