Approximate cost to repair (replace?) the VSC system on a 2004 Toyota Sienna.

I have a 2007 awd VSC &ABS dash lights came on disconnected battery 30 min. check all fiulds and connects at battery {mine very clean I use those red and green pads} reconnected worked for awhile than returned. I repeated battery disconnection and remove plastic engine cover and re&re every electrical connection I could do ????? Hay I did not see those lights for a year plus and when it happen 2 wks ago repeated steps and gone again. If you get a manual or 2 on your and mine those connection get names and try just those to start and then 1 at a time , turn your key . This is how I was tout to trouble shoot electrical problems if you have dirty connection you get a open signal not a closed signal {working clean connections}. So many times this worked and saved me and friends and work $$$$. time

John, Same thing happened to my 2004 Sienna with 138K miles on it. Lights (Check Engine, VSC and Track Off) came on Saturday afternoon (21st) and the engine overheated while driving it to the dealership on Monday (23rd). In addition to destroying the engine, it also trashed my radiator. The cost to replace the engine was estimated to be about $5,500 to $6,000. The radiator is additional. If the motor hadn't fried, it would have probably cost about $2,000 to get the car running properly again. To me, if there aren't any other major issues with the car that you think might pop up over the next 6-12 months, I would be willing to drop $2,000 to get the car going again. New car payments would be about $500 a month, so if you don't believe there will be any major issues over the next 6-12 months, I think getting your current vehicle fixed is the way to go. Are there any other issues going on with your car? Our heater wasn’t working which may have been an indicator that there was either a leak or a clog in the cooling system. I still didn’t notice the engine overheating until it was too late. If the engine is running hot, do NOT drive it. Have it towed to the shop. You will lose trade-in value if the motor fries itself.