FixVault
Home
›
Cadillac
›
2018
›
CT6 Plug-In
›
Repair and Diagnosis
›
Body & Frame
›
Door Locks
›
Keyless Entry System And Remote Function
›
Diagnostic Information and Procedures
›
DTC B3121
›
Conditions for Running the DTC
Conditions for Running the DTC
The rear closure touch pad is pressed.
The scan tool activates a device control function to simulate the above action.