Service bulletin CumminsB6.7SSI
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 | 10253878 |
| Published by NHTSA | 2024-05-07 |
| Manufacturer's number | CumminsB6.7SSI |
| Manufacturer's date | 2024-04-26 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
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
| FCCC MT55 | 2017 to 2021 |
|---|---|
| FCCC S2 | 2017 to 2021 |
| FCCC S2C | 2018 to 2021 |
| FCCC S2RV | 2017 to 2021 |
| FCCC XB CHASSIS | 2018 to 2021 |
| FCCC XC CHASSIS | 2017 to 2021 |
| FREIGHTLINER 108SD | 2017, 2018, 2019, 2020, 2021 |
| FREIGHTLINER BUSINESS CLASS M2 | 2017 to 2021 |
| THOMAS BUILT BUSES SAF-T-LINER C2 | 2017 to 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2020408 | 2020-09-01. Engine |
|---|---|
| 20V527000 | 2020-09-01. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| FleetCom_Heater Core | 2026-01-08. Other. Fleet Communications for Heater Core Plugging |
|---|---|
| CXA_10_25_Conmet Oil Pan | 2025-11-05. Other. CX Advocate for ConMet Oil Pan Insert Additional Issues |
| 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 |
| CXA 1_16_Turbo Oil Drain | 2025-01-29. Other. CX Advocate for turbo oil drain cracking |
| CXA 1_16_NOx | 2025-01-29. Other. CX Advocate for NOx conversion low faults |
| CXA 1_16_DD13 Altitude | 2025-01-29. Other. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault. |
| CXA 1_16_CARB Truck Chec | 2025-01-29. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |
| CXA 11_21_M2, SD Transfer | 2024-12-04. Other. CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL) |