Question

2000 Chevrolet Tahoe 5.7L Z71 with code C0235 rear wheel speed signal circuit open wondering how to find and fix?

Answer 1

C0235 Rear speed signal circuit

This is for the vehicle speed sensor where the EBCM recieves it signal from the PCM from the vehicle speed signal. If you are a 4x4 you will 2 speed signal. , This problem is more of a ECBM not processing the signal, you can try replacing the vehicle speed sensor.

Answer 2

C0235 Chevrolet Code - Open Or Grounded Rear Speed Signal Circuit
Read more: https://www.autocodes.com/c0235_chevrolet.html