Central Control Display Head Unit — system

Fault codes
B12C800 - B12C800 Amplifier Short Circuit Fault 1 cases B1A1500 - A2B Not Connected 1 cases B1A1600 - DSP Abnormal 1 cases B1A1700 - Radio Abnormal 1 cases B1A1800 - iFlytek Abnormal 1 cases B1A1B00 - Built-in Amplifier Fault 1 cases B1AB700 - Network Registration Fault 1 cases B1AB800 - VIN Abnormal or Empty Fault 1 cases B1AB900 - Key Invalid Fault 1 cases B1ABC00 - General Data Configuration Fault 1 cases B1AC100 - Key Not Exist 1 cases B1AC200 - Key Set to Blacklist 1 cases B1AC300 - VIN Already Bound to Other Key 1 cases B1AC400 - Key Already Correctly Bound to Other VIN 1 cases B1AC500 - VIN Format Incorrect 1 cases B1AC600 - Key Format Incorrect 1 cases B1AC700 - IMSI Already Bound 1 cases B1AC800 - Failed to Get GPS Data 1 cases B1F1C31 - B1F1C31 ECU Internal Fault 1 cases B1F2100 - B1F2100 OTA Vehicle Upgrade Channel Fault 1 cases B2E7100 - B2E7100 4G Antenna Fault 1 cases B2E7407 - B2E7407 WIFI_BT Antenna Fault 1 cases B2E7507 - B2E7507 WIFI_BT Driver Load Fault 1 cases B2E7800 - B2E7800 GPS Antenna Fault 1 cases B2E7A00 - B2E7A00 In-Vehicle Camera Video Input Fault 1 cases B2E8100 - B2E8100 4G Secondary Antenna Fault 1 cases B2E8700 - B2E8700 Acceleration Sensor LIS2DH12 Data Communication Fault 1 cases B2E8800 - B2E8800 Shaft Motor Drive Chip Fault 1 cases B2F4E09 - B2F4E09 Front Camera Video Input Fault 1 cases B2F4F09 - B2F4F09 Rear Camera Video Input Fault 1 cases B2F5009 - B2F5009 Left Camera Video Input Fault 1 cases B2F5109 - B2F5109 Right Camera Video Input Fault 1 cases U011087 - U011087 Lost Communication with Motor Controller 1 cases U019280 - U019280 4G Chip Communication Fault 1 cases U019380 - U019380 ACCEL Gravity Sensor Gyroscope Data Communication Fault 1 cases U019480 - U019480 TI954 Image Chip Communication Fault 1 cases U019580 - U019580 TI964 Image Chip Communication Fault 1 cases U019680 - U019680 ADV7282 Image Chip Communication Fault 1 cases U01E487 - U01E487 GYRO Gravity Sensor Gyroscope Data Communication Fault 1 cases U01F387 - U01F387 Display Screen Communication Abnormal 1 cases U024787 - U024787 Communication Fault with TCP Server 1 cases U024887 - U024887 Communication Fault with SIM Card 1 cases U024987 - U024987 Network Signal Fault 1 cases U024A87 - U024A87 Communication Fault with GPS Module 1 cases U024B87 - U024B87 Communication Fault with Communication Module 1 cases