Service bulletins for the 1994 Toyota Corolla
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.
44 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| TSB018217 | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components. |
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| T-SB-0101-11 Rev | 2017-08-14. Service bulletin. ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components. |
| T-SB-0101-11 Rev | 2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components. |
| TC95004 | 1995-11-01. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. SPECIAL SERVICE CAMPAIGN - R03- CAMPAIGN TO CORRECT HARNESS CORROSION PROBLEM ON VEHICLES OPERATING IN STATES THAT USE SALT TO CONTROL SNOW AND ICE. SPECIAL INSTRUCTIONS EXTENDED THE CAMPAIGN TO VEHICLES THAT HAD OPERATED IN ONE OR MORE OF THE FOURTEEN STATES INVOLVED, BUT WERE NO LONGER BEING OPERATED IN THOSE STATES. *TW |
| TC94014 | 1995-01-10. Service bulletin. ELECTRICAL SYSTEM:WIRING. SERVICE CAMPAIGN - RO3 - TOYOTA HAS DETERMINED THAT AN UNUSED WIRE HARNESS CONNECTOR ON CERTAIN SUBJECT MODEL SEDANS OPERATING IN COLD WEATHER CONDITIONS CAN EXPERIENCE AN ELECTRICAL SHORT CIRCUIT DUE TO SALT CONTAMINATION. WHEN SALT WATER OR SNOW IS CARRIED INTO THE VEHICLE BY THE DRIVER'S SHOES IT CAN SATURATE THE CARPET AND CONTAMINATE A WIRE HARNESS CONNECTOR WHICH MAY BE LOCATED UNDER THE CARPET NEAR THE DRIVER'S LEFT FOOT. IF THIS OCCURS, THE CONNECTOR COULD HEAT UP AND IN EXTREME CASES, RESULT IN FIRE. TO CORRECT THIS CONDITION, DEALERS WILL MODIFY THE WIRE HARNESS. *TW |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.