Service bulletin TSB220193-092020
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 | 10224323 |
| Published by NHTSA | 2022-10-17 |
| Manufacturer's number | TSB220193-092020 |
| Manufacturer's date | 2022-09-20 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR |
NHTSA's summary
This Technical Service Bulletin has been issued for Freightliner Aftertreatment Intake NOx Sensor Incorrectly Installed. Symptoms can be Fault Code 1885 or 6461; Check engine light and exhaust leak; Unit has low miles; Noisy exhaust leak. Root Cause: Aftertreatment intake NOx sensor incorrectly installed, loose, or not installed in the exhaust pipe. Resolution is If aftertreatment intake NOx sensor is incorrectly installed or not installed: Install aftertreatment intake NOx sensor if only FC 6461 is active. Validate the repair by the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. Check to see if fault code is inactive and clear fault code. If fault code is active, follow published troubleshooting steps If aftertreatment intake NOx sensor is correctly installed: Follow published troubleshooting steps.
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
Engine, Exhaust and emissions, Catalytic converter
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Listing a model year does not mean every vehicle of it is concerned: the document says which.