Service bulletins for the 2017 Ford Focus
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.
181 on file from NHTSA, as of 2026-10-19.
About P04DB on the 2017 Ford Focus: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P04DB are shown. Show all
| SSM 46705 | 2017-08-25. Service bulletin. ENGINE. Some 2017 Model Year Focus vehicles equipped with 1.0L gasoline turbocharged direct injection(GTDI) engines may exhibit illuminated malfunction indicator light(MIL) with DTC P04DB (crankcase ventilation system disconnected) stored in powertrain control module(PCM) memory. Inspect positive crankcase ventilation (PCV) tube assembly for O-Ring damage or partial disconnect. PCV tube connects to air induction system(AIS) and camshaft cover port. PCV tube assembly also includes crankcase pressure sensor(Reference 303-14 electronic engine controls). Engineering is currently investigating. To assist with the investigation, refer to the Professional Technician Society (PTS) website and use the report a vehicle concern link at the bottom of the OASIS report. |
|---|---|
| TSB 17-0010 | 2017-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. SOME 2016-2017 FOCUS VEHICLES EQUIPPED WITH A 1.0L GASOLINE TURBO DIRECT INJECTION (GTDI) ENGINE AND BUILT ON OR BEFORE 18-JAN-2017 MAY EXHIBIT AN ILLUMINATED MIL WITH DTC P04DB (CRANKCASE VENTILATION SYSTEM DISCONNECTED) STORED IN POWERTRAIN CONTROL MODULE (PCM) MEMORY. 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.