Just replaced bad 02 odyssey tranny with 03 JDM model. What is the fix for P0780 code?

Question

Switched two solenoids on top of engine, replaced lower solenoid below starter port and it will not shift into 3rd gear. Please help...ase certified mechanic doing job.

Answer 1

The 2002 Honda Odyssey have a lot of problems with the transmission

see diagnostic procedures, very common the transmission is bad