DTC B3031
DTC B3031 |
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 B3031 00
Security Controller In Learn Mode Malfunction
Circuit/System Description |
When learning a coded key, the BCM will remain in programming mode. DTC B3031 is activated automatically as an indication that the system is in programming mode and does not indicate a fault. Once the coded key is learned, learn mode will be exited and the DTC cleared. If the BCM does not exit learn mode, B3031 will remain current and indicate a fault. The instrument cluster security indicator will turn ON and the driver information center will display a message.
Conditions for Running the DTC |
The immobilizer system is the learn coded keys state.
Conditions for Setting the DTC |
DTC B3031 will set any time the BCM enters the learn coded keys state.
Action Taken When the DTC Sets |
The security indicator will illuminate. The driver information center will display a message.
Conditions for Clearing the DTC |
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A current DTC B3031 will be cleared upon the successful exit of learn mode.
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A history DTC will be cleared after 100 malfunction-free ignition cycles or when a scan tool is used to clear DTCs.
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Reference Information |
Schematic Reference
Immobilizer Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Immobilizer 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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Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification |
1. |
Verify the scan tool body control module Total Keys Learned parameter displays a learned key.
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2. |
If not the specified value, perform the Vehicle Key Relearn procedure. Refer to
Replacing Keys
.
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3. |
Perform the Vehicle Key Relearn procedure. Refer to
Replacing Keys
.
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4. |
If the Body Control Modules does not exit the learn coded key state after the programming attempt, replace the K9 Body Control Module.
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Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for BCM replacement, programming, and setup