Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
B0091 02
- The inflatable restraint sensing and diagnostic module has detected the center front impact sensor has been shorted to ground.
- The center front impact sensor current is greater than 23 mA for greater than 5 ms.
B0091 04
The impact sensor has an open or high resistance.
B0091 05
- The impact sensor has an open or high resistance.
- The impact sensor has been shorted to voltage.
B0091 08
The impact sensor has an invalid signal.
B0091 0F
The impact sensor has an erratic signal.
B0091 39
- The inflatable restraint sensing and diagnostic module has received a Not OK message from the center front impact sensor.
- The inflatable restraint sensing and diagnostic module has not received a message.
B0091 3A
- The inflatable restraint sensing and diagnostic module has received identification message from the center front impact sensor which does not match the identification stored in the inflatable restraint sensing and diagnostic module memory.
- The inflatable restraint sensing and diagnostic module has reset the center front impact sensor twice without detecting the correct identification message.
B0091 71
The inflatable restraint sensing and diagnostic module has received invalid serial data from the center front impact sensor.