# Service bulletin F\-SB\-54\-222

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.

- Type: Service bulletin
- NHTSA id: 10027104
- Published by NHTSA: 2009\-01\-09
- Manufacturer's number: F\-SB\-54\-222
- Manufacturer's date: 2010\-10\-01
- Replaces: FSB\-54\-222
- NHTSA component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

## NHTSA's summary

FREIGHTLINER: MEGA FUSE BREAKAGE. THE FUSES IN THE MEGA FUSE JUNCTION BLOCK MAY BREAK DUE TO PHYSICAL STRESS COUPLED WITH VEHICLE VIBRATIONS FROM ROAD AND DRIVETRAIN FORCES. WOULD RESULT IN SUDDEN OR INTERMITTENT ENGINE LOSS OR ELECTRICAL POWER. \*PE UPDATED 5/13/11. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Wiring and fuses

## Vehicles listed

- 2008 FREIGHTLINER CASCADIA
- 2008 FREIGHTLINER CENTURY CLASS
- 2008 FREIGHTLINER COLUMBIA
- 2008 FREIGHTLINER CORONADO
- 2008 FREIGHTLINER FLD

## Other bulletins for the same vehicles and component

- [sb54202](/bulletins/10141755.md), 2018-06-18, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:WIRING. sb54202 Rerouting the DDEC IV Relative\-Humidity\-Sensor Harness
- [fp54031](/bulletins/10141648.md), 2018-06-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. fp54031 Ordering Service Wiring Harnesses for Cascadia
- [14CSA22](/bulletins/10124131.md), 2017-11-17, Service bulletin: ELECTRICAL SYSTEM:WIRING. 14CSA22 DTNA Chassis Wiring Diagrams
- [SB\-54\-260](/bulletins/10039612.md), 2011-08-05, Service bulletin: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. FREIGHTLINER: INFORMATION ON REPLACING THE MEGA FUSE JUNCTION BLOCK WITH A SERVICE VERSION POWER NET DISTRIBUTION BOX. \*RM UPDATED 7/3/14. \*PE
- [SB\-54\-223](/bulletins/10034624.md), 2010-12-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. FREIGHTLINER: WIRING HARNESSES ON CERTAIN TRUCKS ARE DOCUMENTED DIFFERENTLY THAN HARNESSES ON TRUCKS. WHEN SPECIFICATION IS RELEASED FOR PRODUCTION, ALL WIRING FOR STANDARD OPTIONS ARE BUNDLED INTO HARNESSES BASED ON THEIR LOCATION IN THE TRUCKS. NO MODEL YEARS LISTED. \*PE
- [SB\-54\-247](/bulletins/10031784.md), 2010-01-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. FREIGHTLINER TRUCK: INTERMITTENT ELECTRICAL ISSUES. INTERMITTENT ELECTRICAL ISSUES HAVE BEEN REPORTED ON CENTURY CLASS AND COLUMBIA TRUCKS. ISSUES WITH ENGINE PERFORMANCE, AUTOMATED TRANSMISSION SHIFTING, AND CHASSIS LIGHTING. IF ISSUES ARE REPORTED, PERFORM THE FOLLOWING WIRING HARNESS INSPECTION PROCEDURE. NO MODEL YEARS LISTED. \*PE

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