Service bulletin TechTalk7735
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10181974 |
| Published by NHTSA | 2020-11-03 |
| Manufacturer's number | TechTalk7735 |
| Manufacturer's date | 2020-10-01 |
| NHTSA component | FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING |
NHTSA's summary
Tech Talk discussion on 1 Aftertreatment System Problem Detected.
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
Engine, Fuel system
| FREIGHTLINER CASCADIA | 2019, 2020, 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2021756 | 2021-12-13. Fuel System |
|---|---|
| 21V965000 | 2021-12-13. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL |
| 21V073000 | 2021-02-12. ENGINE |
| 2018469 | 2018-08-31. Fuel System |
| 18V581000 | 2018-08-30. ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| MyCom_02062026-1 | 2026-03-04. Other. My Communications for update on UFU R61709 Fuel Filters |
|---|---|
| FleetCom_Heater Core | 2026-01-08. Other. Fleet Communications for Heater Core Plugging |
| FleetCom_SS 3163-FTL | 2025-12-06. Other. Fleet Communications for Power Steering Reservoir Fill Cap Venting |
| FleetCom_Low Coolant | 2025-12-05. Other. Fleet Communications for Low Coolant Sensor |
| MYCOM_10302025-1 | 2025-11-05. Other. My Communications for Update to DTNA parts on UFU R61709 |
| CXA_10_25_Low Coolant | 2025-11-05. Other. CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings |
| CXA_10_25_Conmet Oil Pan | 2025-11-05. Other. CX Advocate for ConMet Oil Pan Insert Additional Issues |
| CXA_9_25_Tech Questions | 2025-10-03. Other. CX Advocate for technical questions/issues raised |
| MYCOM_09022025-1 | 2025-10-03. Other. My Communications for UFI 0-Ring Announcement |
| PB47-022-FTL | 2025-10-03. Service bulletin. Revised Parts Bulletin for Cascadia 23-inch Diameter Fuel Tanks |