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Service bulletin 056

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id618794
Published by NHTSA2001-04-30
Manufacturer's number056
Manufacturer's date2001-01-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

INFORMATION PROVIDED TO ASSIST THE UD TRUCK SERVICE TECHNICIAN DURING THE TROUBLESHOOTING OF VARIOUS ELECTRICAL SYSTEM WHEN WIRING OR CONNECTION PROBLEMS ARE SUSPECTED AS THE CAUSE OF FAILURE FOR THE ENGINE FUEL INJECTION, AUTOMATIC TRANSMISSION OR ABS BRAKE ELECTRICAL SYSTEMS. *TT

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

Vehicles listed
UD UD12002001
UD UD14002001
UD UD1800CS2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
05V2620002005-06-02. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
NTB-09-0302009-08-12. Service bulletin. NISSAN: THE 12 VOLT BATTERY IS AN IMPORTANT PART OF THE VEHICLE ELECTRICAL SYSTEM AND IS REQUIRED TO STAY CONNECTED WHEN THE ENGINE IS RUNNING. TO PREVENT DAMAGE TO VEHICLE ELECTRONIC COMPONENTS FOLLOW THE INSTRUCTIONS/CAUTIONS. NO MODEL YEARS LISTED. *PE