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Service bulletin CALHIGHCURRENT

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 id10171911
Published by NHTSA2020-03-03
Manufacturer's numberCALHIGHCURRENT
Manufacturer's date2020-03-02
NHTSA componentELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed.

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, Wiring and fuses

Vehicles listed
FREIGHTLINER CASCADIA2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

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

Recalls for the same vehicles and component
13V6270002013-12-17. ELECTRICAL SYSTEM:WIRING; PARKING BRAKE; SUSPENSION:MULTIPLE AXLE

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
TechTalk75412020-11-02. Service bulletin. Tech Talk discussion on fault 523013/31 seat occupation not ok.
17TS-12REV2020-01-03. Service bulletin. Technical Service Letter for GHG17 Heavy Duty Engine Platform 1-BOX Aftertreatment System (ATS) Wire Harness experiencing chaffing caused by vibration and dirt collecting in the harness conduit.
ICI19-030 SF5782019-08-05. Service bulletin. SF578 - Revised Bulletin
SF5782019-08-05. Service bulletin. Forward Chassis Wiring Harness
fp540762019-04-08. Service bulletin. Technical Bulletin fp54076 Commodity Harness Ordering
sb2652 DT12 PTO2019-04-08. Service bulletin. DT12 PTO Upfit
503-142018-06-18. Service bulletin. 503-14 FMI 3, 4: High Side Digital Output 3 Circuit Failed High
SF4802018-06-18. Service bulletin. SF480-DLR Qualcomm TrailerTRACS Wiring
sb26522018-06-18. Service bulletin. sb2652 DT12 PTO UpfitB
fp540312018-06-18. Service bulletin. fp54031 Ordering Service Wiring Harnesses for Cascadia