Technical Service Bulletins (TSBs) for the 1994 Sierra 2500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

• TSB #CSP-10414

  Date Announced:

  JAN 01, 2012

  NHTSA ID:

  #10043504

  GMC/CHEVROLET: SEE DOCUEMTN SEARCH BUTTON FOR OWNER LETTER. AUXILIARY BATTERY FEED MAY CAUSE FUSIBLE LINK TO MELT AND OPEN CIRCUIT TO PREVENT DAMAGE OR FIRE IN WIRING HARNESS, DUE TO ELECTRICAL OVER LOAD. Read More »