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DTC B3031Diagnostic Instructions
DTC DescriptorDTC B3031 00: Security Controller In Learn Mode MalfunctionCircuit/System DescriptionWhen learning a coded key, the body control module is placed in learn mode. DTC B3031 will set automatically as an indicator that the system is in learn mode and not as a fault indicator. 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 DTCThe immobilizer system is the learn coded keys state. Conditions for Setting the DTCDTC B3031 will set any time the BCM enters the learn coded keys state. Action Taken When the DTC SetsThe security indicator will illuminate. The driver information center will display a message. Conditions for Clearing the DTC
Reference InformationSchematic ReferenceConnector End View ReferenceDescription and OperationImmobilizer Description and Operation Electrical Information ReferenceScan Tool ReferenceControl Module References for scan tool information Circuit/System Verification
If not the specified value, perform the Vehicle Key Relearn procedure. Refer to Replacing Keys . If the Body Control Modules does not exit the learn coded key state after the programming attempt, replace the K9 Body Control Module. Repair InstructionsPerform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for BCM replacement, setup and programming |
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