B127C GMC
Microphone 2 Input Signal Circuit
GMC
B127D GMC
Microphone 3 Input Signal Circuit
B1277 GMC
Microphone 1 Input Signal Circuit
B127A GMC
Auxiliary Video Input
B127B GMC
Rearview Camera Input Signal
B1265 GMC
Cold Air Bypass Door Actuator Circuit Failure
B1271 GMC
Theft Protection Active
B1262 GMC
Defrost Door Actuator Circuit Failure
B1263 GMC
Panel/Defrost Actuator Failure
B1264 GMC
Floor Door Actuator Failure