DTC P0575: Cruise Control Input Circuit [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR DTCs (DTC P0575)

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
Perform the following to make sure that the DTC detection conditions are met.
HINT:

If the detection conditions are not met, the malfunction cannot be detected.
1. Drive the vehicle at a speed for which cruise control operation is possible.
2. Turn the cruise control system on using the cruise control switch (ON-OFF button).
3. Push the cruise control switch to -/SET to begin control of vehicle speed using the cruise control system.
Enter the following menus: Powertrain / Cruise Control / Trouble Codes.

Check for DTCs.

Result

Result	Proceed to
DTC is not output	A
DTC P0575 is output	B

Turn the power switch off.

B → See step 3

A → See step 2

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]
REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL [08/2013 - ]