TSB: FCCC MT45G, MT55G (2011–2015)

Bulletin FSC-502-A — March 1, 2015

Bulletin Details

Bulletin IDFSC-502-A
ManufacturerFCCC
ModelsMT45G, MT55G
Model Years2011–2015
Date IssuedMarch 1, 2015
Date Added to NHTSAMay 29, 2015
ComponentFUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Vehicles Affected36 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

DAIMLER TRUCKS: MORE ROBUST RELAYS, THAT ARE LARGER, WILL BE INSTALLED TO INCREASE DESIRED LIFE IN CERTAIN FUEL PUMP AND/OR STARTER RELAYS. *PE

Affected Vehicles

MakeModelYearComponent
FCCC MT45G 2015 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FCCC MT45G 2015 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FCCC MT45G 2015 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FCCC MT55G 2015 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FCCC MT55G 2015 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FCCC MT55G 2015 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2014 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2014 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2014 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FCCC MT45G 2014 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FCCC MT45G 2014 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FCCC MT45G 2014 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT55G 2014 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT55G 2014 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2014 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FCCC MT55G 2014 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FCCC MT55G 2014 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FCCC MT55G 2014 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT45G 2013 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT45G 2013 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2013 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2013 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT55G 2013 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2013 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2012 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT45G 2012 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2012 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2012 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT55G 2012 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2012 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2011 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2011 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT45G 2011 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
FREIGHTLINER MT55G 2011 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2011 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
FREIGHTLINER MT55G 2011 113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY

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 (FSC-502-A) 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.