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Service bulletins for the 2003 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.

109 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
167882003-09-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VEHICLES WITH THE CONTROLLER AREA NETWORK (CAN) MAY EXHIBIT A POWERTRAIN CONTROL MODULE (PCM) NON-COMMUNICATION EVENT, WHICH COULD LEAD TO AN UNNECESSARY PCM REPLACEMENT USING NORMAL DIAGNOSTICS. VARIOUS MODELS INCLUDING THE 2003 SUPER DUTY. *TT
165942003-09-04. Service bulletin. POWER TRAIN. NOISE FROM THE RIGHT HALFSHAFT SUPPORT BEARING. ENGINEERING IS INVESTIGATING VIA THE QUICKER SERVICE FIX PROCESS. *TT
143812001-04-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. A HALFSHAFT BEARING NOISE (WHINE / MOAN, WHISTLING, HUMMING, DRUMMING OR RATTLING) FROM THE DRIVETRAIN WHICH APPEARS TO BE EMANATING FROM THE TRANSMISSION. *JB

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.