Service bulletin SF622
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 | 10198596 |
| Published by NHTSA | 2021-06-29 |
| Manufacturer's number | SF622 |
| Manufacturer's date | 2021-06-22 |
| NHTSA component | SERVICE BRAKES, HYDRAULIC |
NHTSA's summary
Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update. Certain vehicles have a WABCO Anti-Lock Braking System (ABS) controller that logs excessive 629-11 fault codes which subsequently lead to additional downstream fault codes.
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
Brakes
| FREIGHTLINER CASCADIA | 2019, 2020, 2021, 2022 |
|---|---|
| WESTERN STAR 49X | 2021 to 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026428 | 2026-09-09. Brakes |
|---|---|
| 26V583000 | 2026-09-09. ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, AIR:ANTILOCK |
| 2023051 | 2023-02-10. Brakes |
| 23V073000 | 2023-02-10. ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, AIR:ANTILOCK:MODULATOR |
| 2022626 | 2022-11-01. Brakes |
| 22V817000 | 2022-11-01. SERVICE BRAKES, AIR:ANTILOCK:MODULATOR; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL |
| 22V468000 | 2022-06-30. PARKING BRAKE |
| 22V456000 | 2022-06-24. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE |
| 22V443000 | 2022-06-22. SERVICE BRAKES |
| 22V374000 | 2022-05-25. SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| CXA 03_26_ABS LA Fault | 2026-04-02. Other. CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL) |
|---|---|
| FleetCom_ESC Warning Lamp | 2026-03-04. Other. Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement |
| MyCom_02102026-1 | 2026-03-04. Other. My Communications for Alliance EX Value Brake Drum |
| TSB-54-379-FTL | 2026-02-03. Service bulletin. Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement |
| TSB-54-379-FTL | 2026-02-03. Service bulletin. Technical Service Bulletin for ESC Warning Lamp and ECU Replacement |
| FleetCom_ABS Wheel Spd | 2026-01-08. Other. Fleet Communications for ABS Wheel Speed Sensor Faults |
| CXA 10_25_Air Dryer Purge | 2025-11-06. Other. CX Advocate for Experiencing Excessive Purging from Air Dryer |
| MYCOM_09122025-1 | 2025-10-03. Other. My Communications for Parts Alert ABS Harness |
| CALFTL42-006 | 2022-12-03. Service bulletin. Customer Advisory Letter for Inspection of Air Disc Brake Caliper Mounting Fasteners. |
| CALFTL42-007 | 2022-11-02. Service bulletin. Customer Advisory Letter for Brake System Modulator Valve Evaluation. |