WenmarOpen by Wenmar Pro

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: Brakes are shown. Show all

Bulletins, newest first
CALABSMODVALVE12020-06-26. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR. Customer Advisory Letter for ABS Modulator Valve Replacement. Provides additional information as announced in CALABSMODVALVE communication.
CALABSMODVALVE2020-05-14. Service bulletin. SERVICE BRAKES, AIR; SERVICE BRAKES, HYDRAULIC. Customer Advisory Letter for ABS Modulator Valve Replacement. DTNA has decided to remove and replace the ABS modulator valves as part of an ongoing supplier quality study.
SF586A2019-09-04. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR. Field Service Campaign to fix issue related to interaxle driveline contacting anti-lock brake system (ABS) relay valve fitting in certain situations when the suspension air is completely dumped.
DOC-10342252019-06-10. Service bulletin. PARKING BRAKE:INDICATOR LIGHT. Accent / Park Light Function Disable Accent / Park Light Function Disable
sb543022019-04-08. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; AIR BAGS; EQUIPMENT. Service Bulletin- ABS Light Illuminating in the ICU, ABS Solenoids Not Self Checking
sb543022019-04-01. Service bulletin. SERVICE BRAKES. Service Bulletin- ABS Light Illuminating in the ICU, ABS Solenoids Not Self Checking

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