Central Control Display Head Unit — system

Fault codes
B12C800 - B12C800 Amplifier Short Circuit Fault 1 cases B1A1500 - A2B Not Connected 1 cases B1A1600 - DSP Fault 1 cases B1A1700 - Radio Fault 1 cases B1A1B00 - Built-in Amplifier Fault 1 cases B1AB700 - Network Registration Fault 1 cases B1AB800 - VIN Abnormal or Empty Fault 1 cases B1AB900 - Invalid Key Fault 1 cases B1ABC00 - General Data Configuration Fault 1 cases B1AC100 - Key Does 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 - GPS Data Retrieval Failed 1 cases B1F1C31 - B1F1C31 ECU Internal Fault 1 cases B1F2100 - B1F2100 OTA Vehicle Upgrade Channel Abnormal 1 cases B1F2300 - B1F2300 OTA Multimedia Upgrade Channel Abnormal 1 cases B2E7507 - B2E7507 WIFI_BT Driver Load Fault 1 cases B2E7900 - B2E7900 USB HUB Connection Fault 1 cases B2E8700 - B2E8700 Acceleration Sensor LIS2DH12 Data Communication Fault 1 cases B2E8800 - B2E8800 Pivot Motor Driver Chip Fault 1 cases B2E8A00 - B2E8A00 GPS Antenna Interference 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 Drive Motor Controller 1 cases U019280 - U019280 4G Chip Communication Fault 1 cases U019380 - U019380 ACCEL Gravity Sensor Gyroscope Data Communication Fault 1 cases U019580 - U019580 TI964 Image Chip Communication Fault 1 cases U01F387 - U01F387 Display Screen Communication Abnormality 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 U024B87 - U024B87 Communication Fault With Communication Module 1 cases U024E87 - U024E87 Terminal Communication Fault With ESC Net 1 cases