Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1019 00

The SDM was programmed with the wrong options for the vehicle.
The wrong components were installed for the content of the vehicle.
SDM Connector may have bent pins or shorting bars causing the SDM to learn deployment loops that are not actually present.

B1019 3A

A message has been sent to the SDM from the IPC that the PPS indicator has been disconnected. The IPC monitiors the voltage of the low side of the seat belt reminder lamp on the PPS indicator and determines the indicator is plugged in if the voltage is below threshold.