DTC P0575
DTC P0575 |
Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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DTC Descriptor |
DTC P0575
Cruise Control Switch Signal Circuit
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 |
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The ECM receives an invalid cruise control switch status serial data message from the BCM.
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This diagnostic runs continuously.
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Actions 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
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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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.
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2. |
If DTC is set, refer to
DTC B3794
.
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3. |
Road test the vehicle and attempt to engage cruise. Verify that cruise control engages properly and the DTC P0575 is not set.
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4. |
If DTC is set, replace the K9 BCM. Clear the DTC, road test the vehicle and attempt to engage cruise. If the DTC resets, replace the K20 ECM.
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Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for BCM or ECM replacement, setup, and programming