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Service bulletins for the 2019 Freightliner Cascadia

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.

771 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
CALFTL54-0232022-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer Advisory Letter for Cascadia CTP Not Communicating: Requires Reset.
SF611REV22022-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Cascadia CTP Reset. Certain vehicles equipped with DTNAs proprietary Common Telematics Platform (CTP) are not communicating; therefore they are unable to benefit from over-the-air software updates. The CTP will be reset and some will also be initialized.
SB54-3502022-03-03. Service bulletin. ELECTRICAL SYSTEM. Freightliner Service Bulletin for Battery Load Disconnect Switch Installation. Cab load disconnect switches (CLDS), also known as positive load disconnect, installed on selected vehicles can reduce battery drain when the vehicle is not operational.
CALFTL54-0182021-08-28. Service bulletin. ELECTRICAL SYSTEM. Customer Advisory Letter for New Cascadia Aluminum Battery Cable Replacement. This customer advisory letter is intended to provide parts for inspection by DTNA Engineering to finalize a technical solution for an upcoming recall: FL893/NHTSA 21V-481.
SS37042021-06-10. Service bulletin. ELECTRICAL SYSTEM. Cascadia Fault codes 6.0
SS4690682021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 469068 Cascadia SAM Cab, SAM Chassis, MSF and CGW Hardware Compatibility
SS10331212021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033121 Adding a Fan Override Switch (Legacy Cascadia)
SS10333632021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS1033363 CEL on Above 70 MPH (CPC fault code 1624/3)
SS10331982021-06-09. Service bulletin. ELECTRICAL SYSTEM. Service Solution SS 1033198 P4 New Cascadia Refrigerator Power Supp...
SS10332602021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033260 New Cascadia Electric Horn Sounds One Time When Driver’s Door Is Opened
SS10334522021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS1033452 Setting the time in the ICUC (New Cascadia)
SS10334822021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS1033482: Trailer Stop lamp activation w/ hand valve (parameter configuration) - P4 New Cascadia
SS10333642021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS1033364 - New Cascadia Forward Chassis Harness Chafe
SS10336382021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033638 - Power Window Express Down Module Discontinued
TechTalk5669232021-06-03. Service bulletin. ELECTRICAL SYSTEM. Tech Talk Discussion P4 Manual Fan Switch
CALFTL54-0022021-05-25. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE. Customer Advisory Letter on Enabling Horn Alarm with the Door Open and the Park Brake Set
FAB1532021-05-18. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Freightliner Action Bulletin FAB153 New Harness Highway for Cascadia
FTLCAE167-20162021-05-17. Service bulletin. VISIBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Important Update for Parked HVAC System Options
TK-APU2021-05-10. Service bulletin. ELECTRICAL SYSTEM. Evolution APU No Regen.
TechTalk335252021-05-06. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Tech Talk discussion on 520240 19 VRDU.
CALFTL54-0162021-04-24. Service bulletin. ELECTRICAL SYSTEM. Customer Advisory Letter for Battery Cable Access (BCA) 29A Cable Inspection.
TechTalk8160K2021-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Tech Talk continued discussion on Alternator Overcharging with A/C switch On only (also reported as Tech Talk 9016).
TechTalk12363K2021-04-06. Service bulletin. ELECTRICAL SYSTEM. Tech Talk discussion on trailers older than 2016, the trailer lights will not come on. Newer trailers work fiine.
TechTalk12338K2021-04-06. Service bulletin. ELECTRICAL SYSTEM. Tech Talk discussion on starter relay wire stays hot.
TechTalk12299K2021-04-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Tech Talk discussion on the Vehicle power distribution model (VPDM) cover and vehicle literature discrepancy.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.