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Service bulletin sb4269

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 id10140920
Published by NHTSA2018-06-11
Manufacturer's numbersb4269
Manufacturer's date2012-11-01
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

sb4269 DEF Metering Unit Inlet Screen Clogging Due to Excessive Moisture in the Air System

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
FREIGHTLINER CASCADIA2009, 2010, 2011, 2012, 2013

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

Recalls for the same vehicles and component
17V8100002017-12-15. EQUIPMENT
12V6010002012-12-21. EQUIPMENT
12V4050002012-08-16. EQUIPMENT
10V5510002010-11-04. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSN 31-062021-05-13. Service bulletin. TSN for the Thermo King Tripac APU located on the right hand frame rail back of cab / sleeper is installed such that the top of the APU is 76mm (3 inches) above the top flange of the frame rail. Under certain turning conditions and fifth wheel configurations it is possible for the trailer to contact the top cover of the Tripac APU.
WI21-0082021-04-23. Service bulletin. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
TechTalk12291K2021-04-05. Service bulletin. Tech Talk discussion on not being able to do a forced regen because clutch is depressed.
SB83-1552021-03-26. Service bulletin. Updated Freightliner Service Bulletin for Espar Service Information. This bulletin replaces the version dated January 1, 2015. New Cascadia has been added to the model list.
TechTalk2414K2021-03-05. Service bulletin. Tech Talk discussion on 1845_9 for 1939 TCFG2 message missing ON 2013 CASCADIA.
SB54-3082021-02-26. Service bulletin. Freightliner Service Bulletin for Programming Chassis Electronic Control Units (ECUs) With DiagnosticLink.
WI21-0012021-01-26. Service bulletin. Warranty Information Letter for Detroit New Service Replacement Engine SRT Update. While validating Standard Repair Times (SRTs) for Detroit's new Gen 5 engine series, DTNA discovered an error in a pre-Gen 5 SRT for the New Service Replacement Engine Program. As a result, DTNA re-studied the SRT and concluded that time for removing/re-installing multiple components (e.g., exhaust manifold/turbo, engine sensor harness, rocker arm assemblies, etc.) should not be included.
WP20-0182020-12-12. Service bulletin. Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one (1) or two (2) years and current parts, labor, and reimbursement policies apply.
18SP7452020-12-08. Service bulletin. Special Publication Letter for EPA07 EPA10 Three-Filter Fuel System DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit
18SP7442020-12-08. Service bulletin. Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.