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Service bulletin ICI23-001

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 id10230658
Published by NHTSA2023-02-02
Manufacturer's numberICI23-001
Manufacturer's date2023-01-12
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

Important Campaign Information Letter for SF658 Revised Bulletin, Intelligent Powertrain Management ECU

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

Vehicles listed
FREIGHTLINER CASCADIA2022
WESTERN STAR 49X2022 to 2023
WESTERN STAR 57002022

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

Recalls for the same vehicles and component
22V3380002022-05-16. EQUIPMENT:OTHER:LABELS
22V1010002022-02-22. SERVICE BRAKES; ELECTRICAL SYSTEM:SOFTWARE
20213992021-06-25. Electrical
21V4810002021-06-25. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
20211722021-03-24. Electrical

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
SS 3175-FTL2026-05-02. Other. Service Solution for Progressive Low Voltage Disconnect Parameter Update
FleetCom_ECU Faults2026-02-05. Other. Fleet Communications for Intermittent Connections and ECU Fault Codes
FleetCom_ECU Faults2026-01-08. Other. Fleet Communications for Corrosion Protecton/Glyptal Application
FleetCom_SS 3174-FTL2025-12-06. Other. Fleet Communication for SS 3174-FTL
FleetCom_AMP Draw2025-12-06. Other. Fleet Communications for Key off amp draw
CXA 11_25_ECU Faults2025-12-02. Other. CX Advocate for Intermittent Connections and ECU Fault Codes
CXA_10_25_Tech Questions2025-11-05. Other. CX Advocate for technical questions/issues raised
SS3175-FTL2025-06-04. Other. Service Solution for Progressive Low Voltage Disconnect Parameter Update
SS3176-FTL2025-05-02. Other. Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
CXA 4_25_SS3175-FTL Volt2025-05-02. Other. CX Advocate for Progressive Low Voltage Disconnect Parameter Update