B1019 GMC – SDM System Configuration Error

B1019 GMC Possible Symptoms

Air Bag Warning Light ON

B1019 GMC Possible Causes

Program Sensing Diagnostic Module (SDM),Faulty Sensing Diagnostic Module (SDM),Sensing Diagnostic Module (SDM) harness is open or shorted,Sensing Diagnostic Module (SDM) circuit poor electrical connection

B1019 GMC Description

After the Sensing Diagnostic Module (SDM) is programmed, the SDM setup procedure is required. During this set up procedure, the SDM will compare the content that was just programmed to the actual components that are installed on the vehicle. If the SDM detects that there are too few or too many components on the system, DTC B1019 00 will set and not allow the setup procedure to complete.