FixVault
Home
›
Cadillac
›
2019
›
CTS Base, AWD
›
Repair and Diagnosis
›
Body & Frame
›
Ignition Switch/Steering Lock
›
Immobilizer System
›
Diagnostic Information and Procedures
›
DTC B3900
›
DTC Descriptor
DTC Descriptor
DTC B3900
Immobilizer Identifier
For symptom byte information, refer to
Symptom Byte List
.