'Trac Off' and 'VSC Trac' light on all of a sudden

[Aelfwine]

No I didn't try and pull the codes...but in latest news, they came back on after about 20 miles. Restarted the car and they were off for a little while and now are back on like they used to be...so the hunt continues I guess...



So it's possible to pull ABS codes manually?

Look back in the thread, I posted a link to a write up on how to jumper two pins in the diagnostic port and count the flashing vsc light. The complete instructions are also in the service manual.

 

[NJ-4Runner]

Unfortunately Im stationed in CA where for some dumb reason they are not allowed to offer the service anymore, they pointed me towards a repair shop which was gonna charge me $80 to read the codes...

I am going through something similar at the moment. My VSC TRAC and TRAC OFF lights go on and off. I had a shop check for codes (lights had turned off at that moment) and got nothing. They told me that it was weird that my truck computer would not save the code. Took it in another day when the lights were on and the technician told me that he had to use a different scanner to get the codes. He said that the regular scanner would not pick up codes that had to do with brakes, etc.

Not sure if that is true but, the second scanner got me 4 codes: C0205 (Front speed sensor LH Circuit), C1223 (abs control system malfunction, C1224 (open or short circuit in NE signal circuit) and C1241 (low battery positive voltage or abnormally high battery positive voltage).

He told me that the first code was causing the other 3 to appear. So, after reading through this site, I went ahead and cleaned the speed sensors. I still have the problem. Next on the list is to do a zero point calibration.

Hope you find the issue and post the solution here since I might have the same problem as yours.



Ruff

Don't like to bring posts back to the dead but did you guys ever get this resolved....

 

[3bears]

Don't like to bring posts back to the dead but did you guys ever get this resolved....

there is a new and current thread running right now on this issue too

 

[Texas_Johnny_Bravo]

My 2001 Limited threw the P0442 code a while back, I scanned it using an ELM327 and my Torque App on my old Galaxy phone. It came back as an Evaporators Emission leak detected. I automatically figured it was a bad gas cap like on my old 2000 4Runner. I cleared the code after I replaced the cap. About a week later the Check Engine Light, VSC Trac & VSC Off light came back on. replaced the cap and same thing happened again. My last resort is to replace the Vapor Canister. My Dumb@ss would top off my tank and I think the over flow got into the Canister. Maybe its something you can think about too.