Technical Service Bulletins (TSBs) for the 2004 Forenza are official communications between Suzuki & 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.

    SUSPENSION

    • TSB #0205135

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10015897

      NOISE FROM THE FRONT STABILIZER BAR BUSHINGS. 2004-2005 SUZUKI/FORENZA SEDAN/WAGON AND RENO. *SC Read More »

    ENGINE (PWS)

    • TSB #TS-30-06263

      Date Announced:
      AUG 08, 2013
      NHTSA ID:
      #10052515

      SUZUKI: SUZUKI HAS REPLACEMENT OIL PUMPS THAT HAVE A THREADED PLUG. THE THREADED PROVES TO BE DIFFICULT TO REMOVE WITHOUT CAUSING DAMAGE TO THE NEW OIL PUMP. THIS BULLETIN PROVIDES PROCEDURES WHEN REPLACING THE OLD OIL PUMP. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #0104145

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014821

      CORRECT COOLANT USAGE. *EH Read More »

    • TSB #0212174

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10015942

      CRANKSHAFT POSITION VARIATION LEARN. 2004 FORENZA WAGON AND RENO (RQ420) *SC Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #0306035

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10016836

      VEHICLES WITH MANUAL TRANSMISSION MAY EXHIBIT A HIGH IDLE (2000+R.P.M.) FOR UP TO TEN SECONDS WHEN COMING TO A STOP WITH THE CLUTCH RELEASED. *TT Read More »

    • TSB #0610245

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017456

      OIL LEAK FROM DRAIN PLUG. *TT Read More »

    • TSB #0808106

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10020472

      EVAPORATIVE EMISSION SYSTEM CONTINUOUS PURGE FLOW. ECM SOFTWARE COULD CAUSE UNNECESSARY ILLUMINATION OF THE MALFUNCTION INDICATOR LAMP. SUZUKI. *KB Read More »

    • TSB #1001257

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10021296

      CUSTOMER SATISFACTION CAMPAIGN WATER PUMP PULLEY INSPECTION. *KB Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #0412174

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10015939

      FUEL LINE DISCONNECTING PROCEDURE. INCLUDING 2004 SUZUKI WAGON, RENO (RQ420) AND VERONA (RP625). *SC Read More »

    • TSB #0112174

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10015940

      FUEL LINE DISCONNECTING PROCEDURE. SUZUKI 2004 FORENZA, WAGON, RENO (RQ420), AND VERONA (RP625). *SC Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #TS-09-03129R

      Date Announced:
      AUG 01, 2009
      NHTSA ID:
      #10030107

      SUZUKI VEHICLES: AUTOMATIC TRANSMISSION SHIFT LEVER IS LOOSE IN THE SHIFT GATE AND/OR IGNITION KEY CANNOT BE REMOVED. THE TRANSMISSION GEAR SHIFT LEVER DOES NOT HOLD FIRMLY TO THE LEFT OF THE SHIFT GAGE AS EXPECTED. Read More »

    • TSB #0208055

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10016423

      HARSH 4TH TO 3RD AUTOMATIC DOWNSHIFT AND UNWANTED P1884 DTC. 2004 SUZUKI RENO-RQ420 *SC Read More »

    • TSB #0108055

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10016424

      AUTOMATIC TRANSMISSION HARSH 2 TO 1 DOWNSHIFT. *SC Read More »

    • TSB #0311075

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10018527

      DTC P0703 EXPLAINED. AUTOMATIC TRANSMISSION DTC P0703 IS PRESENT. ALL FORENZA MODELS. SUZUKI. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #TS0601238

      Date Announced:
      JAN 01, 2008
      NHTSA ID:
      #10024197

      REQUIRED AUTOMATIC TRANSMISSION CONTROL MODULE INITIALIZATION PROCEDURE. MY 2004-2008 FORENZ SEDAN/WAGON, RENO (RQ420). *NJ Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT

    • TSB #TS-09-03129R

      Date Announced:
      AUG 01, 2009
      NHTSA ID:
      #10030107

      SUZUKI VEHICLES: AUTOMATIC TRANSMISSION SHIFT LEVER IS LOOSE IN THE SHIFT GATE AND/OR IGNITION KEY CANNOT BE REMOVED. THE TRANSMISSION GEAR SHIFT LEVER DOES NOT HOLD FIRMLY TO THE LEFT OF THE SHIFT GAGE AS EXPECTED. Read More »

    ELECTRICAL SYSTEM

    • TSB #0304054

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006729

      CLOCK WILL NOT HOLD MEMORY WHEN IGNITION KEY IS TURNED OFF. *TT Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #0808115

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017060

      WIRE HARNESS INSULATION DAMAGE BEHIND THE LEFT FRONT FENDER LINER. *TT Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #0812177

      Date Announced:
      DEC 01, 2007
      NHTSA ID:
      #10023878

      P0441 OR P0496 (EVAPORATIVE EMISSION SYSTEM CONTINUOUS PURGE FLOW). *NJ Read More »

    AIR BAGS

    SEAT BELTS

    • TSB #0202274

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006243

      SLOW AND/OR INCOMPLETE RETRACTION OF SEAT BELTS. *TT Read More »

    STRUCTURE:BODY:DOOR

    • TSB #0605115R

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10015902

      DRIVER DOOR LOCK TUMBLER FALLS INTO DOOR WHEN THE KEY IS INSERTED. 2004-2005 SUZUKI FORENZA SEDAN/WAGON AND RENO-RQ420. *SC Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #0603215

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014811

      DRIVER DOOR LOCK TUMBLER FALLS INTO DOOR WHEN THE KEY IS INSERTED. *EH Read More »

    WHEELS:LUGS/NUTS/BOLTS/STUDS

    • TSB #0111263

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10005375

      PLASTIC WHEEL LUG NUT CAPS BREAKING DURING WHEEL COVER INSTALLATION. *TT Read More »

    EQUIPMENT

    • TSB #0203044

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006724

      SERVICE MANUAL UPDATE FOR PROGRAMMING KEYLESS TRANSMITTERS. *TT Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #0604145

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10014824

      RADIO STATIC OR NO RECEPTION ON AM BAND STATIONS. *EH Read More »

    UNKNOWN OR OTHER

    • TSB #0409024

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10010042

      PAINT MAY PEEL ON THE INNER DOOR FRAMES AROUND THE WINDOW AREA ON SOME VEHICLES BUILT FROM JUNE 15, 2004 TO JULY 9, 2004. *NM Read More »