TSB: FCCC 4700, 4900, BUSINESS CLASS M2, CASCADIA, COLUMBIA, CORONADO, XBP, XCM, XCP (2014–2015)

Bulletin 914-14 — September 14, 2014

Bulletin Details

Bulletin ID914-14
ManufacturerFCCC
Models4700, 4900, BUSINESS CLASS M2, CASCADIA, COLUMBIA, CORONADO, XBP, XCM, XCP
Model Years2014–2015
Date IssuedSeptember 14, 2014
Date Added to NHTSAOctober 14, 2017
ComponentENGINE (PWS)
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

914-14 Ambient and Inlet Manifold Pressure Difference (High Box)

Affected Vehicles

MakeModelYearComponent
WESTERN STAR 4700 2015 060000 ENGINE (PWS)
WESTERN STAR 4700 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WESTERN STAR 4900 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WESTERN STAR 4900 2015 060000 ENGINE (PWS)
FREIGHTLINER BUSINESS CLASS M2 2015 060000 ENGINE (PWS)
FREIGHTLINER BUSINESS CLASS M2 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER CASCADIA 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER CASCADIA 2015 060000 ENGINE (PWS)
FREIGHTLINER COLUMBIA 2015 060000 ENGINE (PWS)
FREIGHTLINER COLUMBIA 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER CORONADO 2015 060000 ENGINE (PWS)
FREIGHTLINER CORONADO 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XBP 2015 060000 ENGINE (PWS)
FCCC XBP 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XCM 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XCM 2015 060000 ENGINE (PWS)
FCCC XCP 2015 060000 ENGINE (PWS)
FCCC XCP 2015 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WESTERN STAR 4700 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
WESTERN STAR 4700 2014 060000 ENGINE (PWS)
WESTERN STAR 4900 2014 060000 ENGINE (PWS)
WESTERN STAR 4900 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER BUSINESS CLASS M2 2014 060000 ENGINE (PWS)
FREIGHTLINER BUSINESS CLASS M2 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER CASCADIA 2014 060000 ENGINE (PWS)
FREIGHTLINER CASCADIA 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER COLUMBIA 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FREIGHTLINER COLUMBIA 2014 060000 ENGINE (PWS)
FREIGHTLINER CORONADO 2014 060000 ENGINE (PWS)
FREIGHTLINER CORONADO 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XBP 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XBP 2014 060000 ENGINE (PWS)
FCCC XCM 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XCM 2014 060000 ENGINE (PWS)
FCCC XCP 2014 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
FCCC XCP 2014 060000 ENGINE (PWS)

Related FCCC Recalls

CampaignModelYearComponentSummary
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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 (914-14) 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.