Tom

TRAC light in dash occasionally comes on and remains on until ignition switch is turned off. Any ideas?

Kizoku

I had a similar problem in my 91........atfirst they just read the errors from the computer and it told them the problem was an oxygen sensor then it told them a bad solenoid.......but then all that was done and stiill the problem existed.....and then Lexus dealership finally realized i needed a new wiring harness.......and that fixed the problem........so see if your wiring harness is in bad shape that might fix the problem..

toddatroos

I've been having this problem on my 94 LS. It generally only happens in cold weather. I have noticed a strange noise from the engine compartment before the light comes on. It almost sounds like a stuck solenoid or diaphram. Any info on how the Traction Control system works and what may be causing the noise would be appreciated

Cary1952

my 92SC400 started having this problem. it is either an actuator $1000 or an attenuator for the system ($2200). I needed other work done so I traded in the car last week for a 98 GS300 with 5 1/2 months warranty left. I am going to let someone else worry about that kind of stuff for a change.

Cary in S.D.

wwest

Likely the electric brake fluid PRESSURE boost pump.

VQT

Does the Check Engine light on also?
When was the last time anybody work on your brake?
Do you know how to bleed the Traction control brake fluid?