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.
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.
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