OBD-II “B” Codes

Fault code B1318 is called “Battery Voltage Low” but in different programs it may be called differently. This fault designation applies to

Fault code B1421 is called “Solar Sensor Circuit (Passenger Side)” but in different programs it may be called differently. This fault designation

Fault code B1049 is called “Driver Air Bag Module Open” but in different programs it may be called differently. This fault designation applies

Fault code B2AAA is called “Unsolved Problems (common inactive error when there are other errors)” but in different programs it may be called differently.

Fault code B2799 may apply to Toyota brand vehicles as well as vehicles manufactured under the GM brand. Depending on your vehicle brand, this fault will