Service bulletins for the 2018 Ford Mustang
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.
198 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Catalytic converter are shown. Show all
| TSB 18-2355 | 2019-01-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. Some 2018-2019 Mustang vehicles built on or before 17-Oct-2018 and equipped with a 2.3L engine may exhibit an illuminated MIL with DTC P0420. Follow the Service Procedure steps to correct the condition. |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.