B09xx OBD-II Codes (B0900–B0999)
100 fault codes in the B09xx range. Click any code for causes, diagnostic steps, severity, and common fixes.
B0900 low
Infotainment Head Unit Malfunction
B0901 low
Infotainment Unit No Power
B0902 low
Infotainment Unit Communication Error
B0903 low
Infotainment Unit Software Fault
B0904 low
Infotainment Unit Boot Failure
B0905 low
Infotainment Unit Memory Error
B0906 low
Infotainment Unit Overheating
B0907 low
Infotainment USB Port Circuit
B0908 low
Infotainment USB Port Malfunction
B0909 low
Infotainment AUX Input Circuit
B0910 low
Infotainment Bluetooth Module Fault
B0911 low
Infotainment Bluetooth Antenna
B0912 low
Infotainment WiFi Module Fault
B0913 low
Infotainment WiFi Antenna Circuit
B0914 low
Infotainment Cellular Modem Fault
B0915 low
Infotainment Cellular Antenna
B0916 low
Infotainment GPS Module Fault
B0917 low
Infotainment GPS Antenna Circuit
B0918 low
Infotainment GPS Signal Lost
B0919 low
Infotainment SiriusXM Module
B0920 low
Infotainment SiriusXM Antenna
B0921 low
Infotainment HD Radio Module
B0922 low
Infotainment AM/FM Tuner Fault
B0923 low
Infotainment DAB Tuner Fault
B0924 low
Infotainment CD Player Mechanism
B0925 low
Touchscreen Digitizer Circuit Malfunction
B0926 low
Touchscreen Digitizer Open
B0927 low
Touchscreen Digitizer Short
B0928 low
Touchscreen Calibration Error
B0929 low
Touchscreen Unresponsive Zones
B0930 low
Display LCD Panel Fault
B0931 low
Display LCD Backlight Circuit
B0932 low
Display LCD Backlight Open
B0933 low
Display LCD Backlight Short
B0934 low
Display Brightness Sensor
B0935 low
Display Color Calibration Error
B0936 low
Display Pixel Fault Detected
B0937 low
Instrument Cluster Display Fault
B0938 low
Instrument Cluster Communication
B0939 low
Instrument Cluster Backlight Circuit
B0940 low
HUD Projector Circuit
B0941 low
HUD Projector Lamp Fault
B0942 low
HUD Mirror Motor Circuit
B0943 low
HUD Brightness Sensor
B0944 low
HUD Calibration Error
B0945 low
Rear Seat Display Circuit
B0946 low
Rear Seat Display Communication
B0947 low
Digital Mirror Display Circuit
B0948 low
Center Console Display Fault
B0949 low
Climate Display Panel Circuit
B0950 low
Rear Camera Circuit Malfunction
B0951 low
Rear Camera Signal Lost
B0952 low
Rear Camera Communication Error
B0953 low
Rear Camera Image Quality Poor
B0954 low
Front Camera Circuit Malfunction
B0955 low
Front Camera Signal Lost
B0956 low
Front Camera Communication Error
B0957 low
Surround View Camera System Fault
B0958 low
Surround View Left Camera Circuit
B0959 low
Surround View Right Camera Circuit
B0960 low
Surround View Front Camera Circuit
B0961 low
Surround View Rear Camera Circuit
B0962 low
Surround View Calibration Error
B0963 low
Surround View Processing Module
B0964 low
Dash Camera Circuit
B0965 low
Dash Camera Recording Fault
B0966 low
Mirror Camera Circuit
B0967 low
Mirror Camera Image Processing
B0968 low
Driver Monitor Camera Circuit
B0969 low
Driver Monitor Camera Signal
B0970 low
Driver Monitor System Fault
B0971 low
Interior Camera Circuit
B0972 low
Interior Camera Communication
B0973 low
Trailer Camera Circuit
B0974 low
Trailer Camera Communication Error
B0975 low
Audio Amplifier Circuit Malfunction
B0976 low
Audio Amplifier No Output
B0977 low
Audio Amplifier Communication Error
B0978 low
Audio Amplifier Overheating
B0979 low
Front Left Speaker Circuit Open
B0980 low
Front Left Speaker Circuit Short
B0981 low
Front Right Speaker Circuit Open
B0982 low
Front Right Speaker Circuit Short
B0983 low
Rear Left Speaker Circuit Open
B0984 low
Rear Left Speaker Circuit Short
B0985 low
Rear Right Speaker Circuit Open
B0986 low
Rear Right Speaker Circuit Short
B0987 low
Subwoofer Circuit Open
B0988 low
Subwoofer Circuit Short
B0989 low
Center Channel Speaker Circuit
B0990 low
Tweeter Circuit Malfunction
B0991 low
Door Speaker Circuit
B0992 low
Pillar Speaker Circuit
B0993 low
Active Noise Cancellation Module
B0994 low
Active Noise Cancellation Microphone
B0995 low
Active Sound Design Module
B0996 low
Engine Sound Enhancement Circuit
B0997 low
Voice Recognition Microphone Circuit
B0998 low
Hands-Free Microphone Circuit
B0999 low
Chime Module Circuit