The P0585 trouble code indicates that there is a correlation problem between the inputs from the cruise control multi-function switches A and B. These switches are used to control various functions of the cruise control system.
P0585 Cruise Control Multi-Function Input “A”/”B” Correlation
Code symptoms P0585.
1. Inoperative cruise control system.
2. Difficulty engaging or disengaging cruise control.
3. Cruise control functions not responding as expected.
4. Check Engine Light illuminated.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0585.
1. Faulty cruise control multi-function switches A or B.
2. Wiring or connector issues in the cruise control multi-function switch circuit.
3. Corroded or damaged terminals in the cruise control multi-function switch connectors.
4. Defective cruise control module.
Code Solutions P0585.
1. Inspect the cruise control multi-function switches A and B for proper operation and replace if necessary.
2. Check for any wiring or connector issues in the cruise control multi-function switch circuit and repair as needed.
3. Thoroughly inspect the terminals in the cruise control multi-function switch connectors for corrosion or damage. Clean or replace any affected terminals.
4. If all other components check out, consider replacing the cruise control module.