Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
B12D4 11
- The sensor has been shorted to ground.
- The sensor current is greater than 23 mA for greater than 5 ms.
B12D5 11
- The sensor has been shorted to ground.
- The sensor current is greater than 23 mA for greater than 5 ms.
B12D4 15
- The sensor circuit is open or short to voltage.
- The Restraints Control Module has not received a message from the sensor for greater than 375 milliseconds.
B12D5 15
- The sensor circuit is open or short to voltage.
- The Restraints Control Module has not received a message from the sensor for greater than 375 milliseconds.
B12D4 81
The Restraints Control Module has received invalid serial data from the sensor.
B12D5 81
The Restraints Control Module has received invalid serial data from the sensor.