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Service bulletins for the 2020 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.

661 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
sb542992019-09-05. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin to provide instructions to replace Ignition Control System.The ICU3 is no longer installed in production, and has been superseded by the ICU3S. When replacing an ICU3, the ICU3S must be installed in its place.
82-0182019-09-05. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR; ELECTRICAL SYSTEM. Service Bulletin to fix wiper motor issue. On some Cascadia wiper park brush that rides against the brush plate may wear and may result in a diminished wiper park signal.
0305-19 SPN 20002019-08-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC Heartbeat Message is no Longer Arriving)
19TS-62019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
sb543122019-08-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Service Bulletin sent out customers describing procedure is to replace the white drip shield and secondary SAM cover on the SAM Cabin, with a new one-piece drip shield.
sb542992019-08-07. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin provided to customers regarding ICU3 to ICU3S Replacement
DOC-10342262019-07-08. Service bulletin. ELECTRICAL SYSTEM. Service Solution 1034226 New Cascadia Adding Daytime Running Lights (DRL) Or Adding Low Speed DRL Interrupt
DOC-10342342019-06-10. Service bulletin. ELECTRICAL SYSTEM. SS1034234 Cascadia ICU4Me - Low Air Warning Light Not Coming On
ICI19-016 SF5602019-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Revised Bulletin
sb543112019-06-03. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin- sb54311 ICU Odometer Programming
sb543082019-06-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. sb54308 Chassis ECU Programming
sb2652 DT12 PTO2019-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM:WIRING; EQUIPMENT ADAPTIVE/MOBILITY. DT12 PTO Upfit
sb543082019-03-18. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin- Chassis ECU Programming

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