TSB: FCCC 108SD, 114SD, 122SD, 4700, 4800, 4900, 5700, 6900, BUSINESS CLASS M2, CASCADIA, ECONIC SD, MT45, MT55, S2G, S2RV, SAF-T-LINER C2, XBP, XBR, XBS, XCL, XCM, XCP, XCR, XCS (2015–2021)

Bulletin 20CSA-10 — July 27, 2020

Bulletin Details

Bulletin ID20CSA-10
ManufacturerFCCC
Models108SD, 114SD, 122SD, 4700, 4800, 4900, 5700, 6900, BUSINESS CLASS M2, CASCADIA, ECONIC SD, MT45, MT55, S2G, S2RV, SAF-T-LINER C2, XBP, XBR, XBS, XCL, XCM, XCP, XCR, XCS
Model Years2015–2021
Date IssuedJuly 27, 2020
Date Added to NHTSAJuly 30, 2020
ComponentENGINE AND ENGINE COOLING
Vehicles Affected161 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLink??A???A???A???A???A???A???A???A? 8.12 Standard and Professional is available to download from the Detroit Diesel server.

Affected Vehicles

MakeModelYearComponent
FREIGHTLINER 108SD 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2021 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2021 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2021 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2021 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2021 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER ECONIC SD 2021 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2021 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2021 060000 ENGINE AND ENGINE COOLING
FCCC S2RV 2021 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2021 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2021 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2021 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2021 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2021 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2021 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2021 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2021 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2021 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2020 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2020 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2020 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2020 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2020 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER ECONIC SD 2020 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2020 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2020 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2020 060000 ENGINE AND ENGINE COOLING
FCCC S2RV 2020 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2020 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2020 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2020 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2020 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2020 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2020 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2020 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2020 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2020 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2019 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2019 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2019 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2019 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2019 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2019 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2019 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2019 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2019 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2019 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2019 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2019 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2019 060000 ENGINE AND ENGINE COOLING
FCCC S2RV 2019 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2019 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2019 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2019 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2019 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2019 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2019 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2019 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2019 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2019 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2018 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2018 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2018 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2018 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2018 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2018 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2018 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2018 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2018 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2018 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2018 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2018 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2018 060000 ENGINE AND ENGINE COOLING
FCCC S2RV 2018 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2018 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2018 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2018 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2018 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2018 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2018 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2018 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2018 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2018 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2017 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2017 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2017 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2017 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2017 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2017 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2017 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2017 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2017 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2017 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2017 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2017 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2017 060000 ENGINE AND ENGINE COOLING
FCCC S2RV 2017 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2017 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2017 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2017 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2017 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2017 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2017 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2017 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2017 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2017 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2016 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2016 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2016 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2016 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2016 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2016 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2016 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2016 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2016 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2016 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2016 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2016 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2016 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2016 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2016 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2016 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2016 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2016 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2016 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2016 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2016 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2016 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 108SD 2015 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 114SD 2015 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER 122SD 2015 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4700 2015 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4800 2015 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 4900 2015 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 5700 2015 060000 ENGINE AND ENGINE COOLING
WESTERN STAR 6900 2015 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER BUSINESS CLASS M2 2015 060000 ENGINE AND ENGINE COOLING
FREIGHTLINER CASCADIA 2015 060000 ENGINE AND ENGINE COOLING
FCCC MT45 2015 060000 ENGINE AND ENGINE COOLING
FCCC MT55 2015 060000 ENGINE AND ENGINE COOLING
FCCC S2G 2015 060000 ENGINE AND ENGINE COOLING
THOMAS BUILT BUSES SAF-T-LINER C2 2015 060000 ENGINE AND ENGINE COOLING
FCCC XBP 2015 060000 ENGINE AND ENGINE COOLING
FCCC XBR 2015 060000 ENGINE AND ENGINE COOLING
FCCC XBS 2015 060000 ENGINE AND ENGINE COOLING
FCCC XCL 2015 060000 ENGINE AND ENGINE COOLING
FCCC XCM 2015 060000 ENGINE AND ENGINE COOLING
FCCC XCP 2015 060000 ENGINE AND ENGINE COOLING
FCCC XCR 2015 060000 ENGINE AND ENGINE COOLING
FCCC XCS 2015 060000 ENGINE AND ENGINE COOLING

Related FCCC Recalls

CampaignModelYearComponentSummary
MT45G 2026 STEERING:LINKAGES:TIE ROD ASSEMBLY Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2026 Weste...
MT45 2025 SERVICE BRAKES, AIR:DISC:CALIPER Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 FCCC XCR, ...
XBS 2025 SERVICE BRAKES, AIR:DISC:CALIPER Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 FCCC XCR, ...
MT50E 2026 SERVICE BRAKES, AIR:DISC:CALIPER Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 FCCC XCR, ...
MT55G 2026 STEERING:LINKAGES:TIE ROD ASSEMBLY Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2026 Weste...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized FCCC dealer. Bring this bulletin ID (20CSA-10) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.