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Service bulletin 16 TS-20

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 id10083123
Published by NHTSA2016-10-20
Manufacturer's number16 TS-20
Manufacturer's date2016-09-29
NHTSA componentENGINE

NHTSA's summary

16TS20 FAN ISSUE WITH 108SD, 114SD AND M2 CHASSIS WITH GHG17 DD13

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
FREIGHTLINER 114SD2017
FREIGHTLINER 122SD2017
FREIGHTLINER BUSINESS CLASS M22017

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

Other bulletins for the same vehicles and component
CXA 3_25_NOx2025-04-02. Other. CX Advocate for NOx conversion low faults
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CXA 2_25_NOx2025-03-04. Other. CX Advocate for NOx conversion low faults
CXA 1_16_Turbo Oil Drain2025-01-29. Other. CX Advocate for turbo oil drain cracking
CXA 1_16_NOx2025-01-29. Other. CX Advocate for NOx conversion low faults
CXA 1_16_DD13 Altitude2025-01-29. Other. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_CARB Truck Chec2025-01-29. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA 11_21_M2, SD Transfer2024-12-04. Other. CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
CXA 11_21_CARB Truck Chec2024-12-04. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
WI24-0192024-12-04. Warranty extension. Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates