I just had the tranny replaced on my 2002 Odyssey with 70,000 miles. When I got it back, I noticed a faint, high-pitched whining sound that seems to come from the left side of the dash (it is hard to tell). It starts at 2000 RPM from 40 to 50 MPH, then stops altogether.
Had it checked by the dealer, but they can't figure it out.
Could this be the tachometer--perhaps a faulty connection or faulty wire? It did not make this noise at all before the tranny was replaced.
Thanks for any info.