Service bulletins for the 2008 Ford F-550

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.

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

By type

By component

By trouble code

Only bulletins with component: Wiring and fuses are shown. Show all

Bulletins, newest first
20131	2008-05-08. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. 2008 F-SUPER DUTY 6.4L DIESEL - VREF CODES P1335, P0193, P0642, P0643, OR P0652. *NJ
19891	2007-11-08. Service bulletin. ELECTRICAL SYSTEM:WIRING. SOME 2008 F-SUPER DUTY - WIRING FAULT ON TRAILER DISPLAYED IN MESSAGE CENTER WITH DTC C2806. *NJ
07166	2007-11-06. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. THE 2008 F-SUPER DUTY VEHICLE IS EQUIPPED W/ A SMART JUNCTION BOX (SJB) OR GENERIC ELECTRONIC MODULE (GEM) AND ITS FUNCTION IS TO PROVIDE PROTECTION AGAINST EXCESSIVE CURRENT LOADS, TYPICAL OF A SHORT CIRCUIT, BY SHUTTING DOWN CIRCUIT OPERATION. THE SJB/GEM STRATEGY MAY INTERPRET THE SWITCHING BETWEEN FORD HEADLAMPS AND EMERGENCY VEHICLE LIGHTING, AND VICE-VERSA AS A SHORT-TO-GROUND, CAUSING THE POWER FEEDING A HEADLAMP CIRCUIT THROUGH THE SJB TO BE TURNED OFF. *NJ
19918	2007-11-06. Service bulletin. ELECTRICAL SYSTEM:WIRING. (WIRING FAULT ON TRAILER) DISPLAYED IN MESSAGE CENTER WITH DTC C2806 - MY 2008 F-SUPER DUTY. *NJ
19852	2007-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING FAULT ON TRAILER DISPLAYED IN MESSAGE CENTER WITH DTC C2806. *NJ
19730	2007-07-23. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING FAULT ON TRAILER DISPLAYED IN MESSAGE CENTER WITH DTC C2806. *KB
19704	2007-07-23. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING FAULT ON TRAILER, DISPLAYED IN MESSAGE CENTER WITH DTC C2806. *KB

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