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Service bulletin TechTalk8048

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 id10187880
Published by NHTSA2021-03-02
Manufacturer's numberTechTalk8048
Manufacturer's date2021-02-01
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT; EXTERIOR LIGHTING

NHTSA's summary

Tech Talk continued discussion on Trailer ABS light on even when truck off.

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, Equipment and accessories, Lighting

Vehicles listed
FREIGHTLINER CASCADIA2014

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

Recalls for the same vehicles and component
20201582020-04-14. Lights And Instruments
20V2140002020-04-14. EXTERIOR LIGHTING
17V8100002017-12-15. EQUIPMENT
17V7610002017-11-27. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS
16V6560002016-09-13. ELECTRICAL SYSTEM
14V5880002014-09-23. EQUIPMENT:ELECTRICAL
13V6270002013-12-17. ELECTRICAL SYSTEM:WIRING; PARKING BRAKE; SUSPENSION:MULTIPLE AXLE
13V1270002013-04-09. ELECTRICAL SYSTEM:SOFTWARE
20131102013-04-08. Lights And Instruments
13V0990002013-03-18. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING

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
543022023-05-22. Service bulletin. ABS Light illuminating in the ICU.
8V4912023-05-22. Service bulletin. ICUC Bulb check function.
SS37042021-06-10. Service bulletin. Cascadia Fault codes 6.0
SS4690682021-06-09. Service bulletin. SS 469068 Cascadia SAM Cab, SAM Chassis, MSF and CGW Hardware Compatibility
SS10331212021-06-09. Service bulletin. SS 1033121 Adding a Fan Override Switch (Legacy Cascadia)
SS10336382021-06-09. Service bulletin. SS 1033638 - Power Window Express Down Module Discontinued
TechTalk5670222021-06-03. Service bulletin. TechTalk Discussion P3 ICU stays on Key off
TechTalk80482021-06-02. Service bulletin. Tech Talk continued discussion on Trailer ABS light on even when truck off.
FAB1532021-05-18. Service bulletin. Freightliner Action Bulletin FAB153 New Harness Highway for Cascadia
FAB1462021-05-18. Service bulletin. Freightliner Action Bulletin FAB146 Cascadia LED headlights