1999 Toyota 4 RUNNER TSBs
7 Technical Service Bulletins
Technical Service Bulletins, or TSBs for short, are notifications made directly by Toyota to help automotive technicians diagnose and repair commonly reported 4 RUNNER problems. Interested in how this information is collected? Read more about TSBs.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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Description: INFORMATION ON OXYGEN SENSOR IMPROVEMENT. *YC
ELECTRICAL SYSTEM:WIRING
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Description: INFORMATION REGARDING ELECTRONIC CONTROL MODULE WIRING HARNESS CONNECTOR. *YD
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
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Description: SPECIAL SERVICE CAMPAIGN X02 TO INSPECT AND REPAIR THE ECM WIRING HARNESS CONNECTOR ON CERTAIN CALIFORNIA EMISSION SPECIFICATION VEHICLES EQUIPPED WITH A 3.4 LITER, V6 ENGINE. *TT
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Description: TOYOTA WILL INITIATE A SPECIAL CAMPAIGN TO INSPECT AND REPAIR THE ECM WIRING HARNESS CONNECTOR ON CERTAIN VEHICLES. *TT
EXTERIOR LIGHTING:FOG LIGHTS
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Description: THE ACCESSORY FOG LIGHTS FOR 1999-2002 MODEL YEAR 4RUNNER VEHICLES MAY BECOME CORRODED AND NOT FUNCTION. THE LIGHTS SHOULD BE REPLACED AS A PAIR. *NM
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
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Description: VEHICLES MAY EXPERIENCE UNINTENDED OR ACCIDENTAL REAR WINDOW ACTIVATION. *JB
UNKNOWN OR OTHER
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Description: SUBJECT REGARDING OWNER RENOTIFICATION ON NON-COMPLETED SPECIAL SERVICE CAMPAIGNS. *TT