DTC P0575
Diagnostic Instructions
DTC Descriptor
| DTC P0575: Cruise Control Switch Signal
Message Counter Incorrect |
Circuit/System Description
When a cruise control function switch is activated, the body
control module (BCM) detects a predetermined voltage. The BCM sends
a serial data message to the engine control module (ECM) indicating
the function that has been requested.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
| • |
The ECM receives an invalid
cruise control switch status serial data message from the
BCM. |
| • |
This diagnostic runs
continuously. |
Action Taken When the DTC Sets
DTC P0575 is a type C DTC.
Conditions for Clearing the DTC
DTC P0575 is a type C DTC.
Reference Information
Schematic Reference
Cruise Control Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Cruise Control Description and Operation
Electrical Information Reference
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
| 1. |
Verify that DTC B3794 is not
set. |
| 2. |
Road test the vehicle and
attempt to engage cruise control. Verify that cruise control
engages properly and the DTC P0575 is not set. |
| ⇒ |
If DTC is set, replace the K9 Body Control Module.
Clear the DTC, road test the vehicle and attempt to engage cruise
control. If the DTC resets, replace the K20 Engine Control
Module. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
Control Module References for control module replacement, setup
and programming
|
