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Home › Chevrolet › 2018 › Suburban 3500 HD LS › Repair and Diagnosis › Body & Frame › Ignition Switch/Steering Lock › Immobilizer System › Diagnostic Information And Procedures › DTC B3031: Security Controller In Learn Mode (With BTM) › DTC Descriptor

DTC Descriptor

DTC B3031: Security Controller In Learn Mode

For symptom byte information, refer to Symptom Byte List .