Technical Service Bulletins (TSBs) for the 1993 Sonoma 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.

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #94269

      Date Announced:
      DEC 01, 1994
      NHTSA ID:
      #39285

      LETTER ANNOUNCING THE RE-ISSUE OF PRODUCT CAMPAIGN 93-C-52. *TW Read More »

    • TSB #01423

      Date Announced:
      DEC 01, 1994
      NHTSA ID:
      #39286

      95-C-52 CAMPAIGN BULLETIN. *TW Read More »

    STRUCTURE:BODY:HOOD

    • TSB #GM561204

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41076

      WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL). *TW Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #GM161514

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41072

      END GATE LATCH RATTLE (INSTALL REVISED STRIKER). *TW Read More »

    SEATS:FRONT ASSEMBLY:RECLINER

    • TSB #461602A

      Date Announced:
      SEP 01, 1994
      NHTSA ID:
      #39728

      REAR SEAT RATTLES/LOOSENESS (INSTALL REAR SEAT LATCH). *TW Read More »