My 2003 toyota 4runner has the vsc trac/trac off light on. Ever since these 2 lights have been on my vehicle performance has been affected. I have had 2 incidents where my 4runner fishtails on mild wet road, the 2 times when this happened I was entering a ramp, and while slightly turning onto the street my vehicle fishtailed violently and turning the vehicle facing the opposite direction against approaching traffic. It was a very scary scenario. I was going very slow since it was an exiting ramp with a stop light so I hit on the brakes to slow down and make the turn at the light onto the street and this is what the vehicle did...this has happened twice already. I've seen many reports on the internet from many people having this problem. Is there a recall in place for this type of problems (vsc trac/trac off) on the 4runners?? Please advice.
2003 Toyota 4RUNNER driver assistance complaints
Page 2 of 2: complaints 11 to 13 of 13, newest first, as owners wrote them.
After replacing an oxygen sensor several times, the dealership finally discovered the root of the problem that is making the oxygen sensor and traction control circuit short out. The air divertor flap inside the HVAC box under the dash had grease applied to the flap hinges in the factory. Directly below the flap is a wiring harness which drops down from the HVAC box and plug into the ecu. Over time the grease has traveled down through the wiring harness to the electrical connection plug into the ecu causing various circuits to short. No damage at present, however various safety circuits such as traction control are being affected. Furthermore, as oil is combustible, an interior fire could result from the oil penetrating the 12 volt electrical connection point on the ecu. This issue/ problem should be considered hazardous and should be a recall to replace the wiring harness and ecu as well as clean the grease out of the HVAC box.
Failure of automatic braking control and anti-skid control. Service light activated but no recall or notice to consumers. See technical service bulletin br 005-03 (dec. 4, 2003). Toyota refuses to recognize safety risk or obligation to replace outside of warranty period.
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