One problem related to transmission solenoid has been reported for the 2002 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Toyota 4Runner based on all problems reported for the 2002 4Runner.
Check engine light came in, it was diagnosed as a 770 shift solenoid-e and I was told by two different experts that my transmission would need to be replaced. The Toyota 4-runner was purchased in January 2008 from folsom lake Toyota with 89,000 miles and currently has 95,500 miles on it. The estimate for repair was $2,300. 00.