Service bulletin 0501-18
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 | 10146322 |
| Published by NHTSA | 2018-10-29 |
| Manufacturer's number | 0501-18 |
| Manufacturer's date | 2018-05-01 |
| NHTSA component | ENGINE; EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
0501-18 Aftertreatment Control Module (ACM)
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
Electrical system, Engine, Equipment and accessories
| FREIGHTLINER 114SD | 2017, 2018, 2019 |
|---|---|
| FREIGHTLINER 122SD | 2017 to 2019 |
| FREIGHTLINER BUSINESS CLASS M2 | 2017 to 2019 |
| FREIGHTLINER CASCADIA | 2017, 2018, 2019 |
| WESTERN STAR 4700 | 2017, 2018, 2019 |
| WESTERN STAR 4900 | 2017, 2018, 2019 |
| WESTERN STAR 5700 | 2017, 2018, 2019 |
| WESTERN STAR 6900 | 2017, 2018, 2019 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026091 | 2026-03-03. Electrical |
|---|---|
| 2021697 | 2021-11-12. Electrical |
| 21V882000 | 2021-11-12. ELECTRICAL SYSTEM:WIRING |
| 2021399 | 2021-06-25. Electrical |
| 21V481000 | 2021-06-25. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES |
| 2021172 | 2021-03-24. Electrical |
| 21V206000 | 2021-03-24. ELECTRICAL SYSTEM:WIRING |
| 2020408 | 2020-09-01. Engine |
| 20V527000 | 2020-09-01. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING |
| 20V525000 | 2020-08-31. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; STRUCTURE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| SS 3124-FTL | 2026-05-02. Other. Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and DiagnosticLink Issues |
|---|---|
| FleetCom_AMP Draw | 2025-12-06. Other. Fleet Communications for Key off amp draw |
| FleetCom_SS 3163-FTL | 2025-12-06. Other. Fleet Communications for Power Steering Reservoir Fill Cap Venting |
| SS3124-FTL | 2025-06-27. Other. Service Solution for Legacy M2 Bulkhead Module (BHM) Replacement and Diagnosticlink Issue |
| CXA 3_25_NOx | 2025-04-02. Other. CX Advocate for NOx conversion low faults |
| CXA 2_25_Turbo Oil Drain | 2025-03-04. Other. CX Advocate for turbo oil drain cracking |
| CXA 2_25_NOx | 2025-03-04. Other. CX Advocate for NOx conversion low faults |
| MYCOM_02102025-1 | 2025-03-04. Other. My Communications for Variable Speed Coolant Pump for DD13 Engines - Cascadia/57X Only |
| SS3161-FTL | 2025-01-29. Other. Service Solution for Cascadia intermittent no-start and CPC not configured message |
| CXA 1_16_Turbo Oil Drain | 2025-01-29. Other. CX Advocate for turbo oil drain cracking |