Audi · Porsche · Bentley · LamborghiniU18256 codes

Audi · Porsche · Bentley · Lamborghini — fault codes starting with U18

256 fault codes starting with U18 on Audi · Porsche · Bentley · Lamborghini vehicles, with descriptions: U1800, U1801, U1802 and more.

Fault codes
256
Block
U18
Make group
Audi · Porsche · Bentley · Lamborghini
Source language
English

The 256 Audi · Porsche · Bentley · Lamborghini fault codes that start with U18, with descriptions.

CodeDescription
U1800Digital matrix light, light guide Function restriction due to implausible map data
U1801Display unit control module, lighting strip 2 no communication
U1802Display unit control module, lighting strip 3 no communication
U1803TV-Tuner overtemperature
U1804Display unit control module, lighting strip 5 no communication
U1805Tank ventilation pump. implausible signal
U1806HVK_high_voltage_system_detection_failure
U1807Control module for cell module Configuration invalid
U1808Display unit control module, lighting strip 1 Function limitation due to missing animation data
U1809Display unit control module, lighting strip 1 Function restriction due to incorrect animation data
U180ARain/light recognition sensor Invalid values for ambient brightness received
U180BUnplausible UWB-Daten Knoten VL detektiert
U180CUnplausible UWB-Daten Knoten VR detektiert
U180DUnplausible UWB-Daten Knoten HL detektiert
U180EUnplausible UWB-Daten Knoten HR detektiert
U180FUnplausible UWB-Daten Knoten IN detektiert
U1810Relay_station_attack_device_6_interior_2_no_communication
U1811Relay_station_attack_device_7_interior_3_no_communication
U1812Relay_station_attack_device_8_interior_4_no_communication
U1813Unplausible UWB-Daten Knoten IN 2 detektiert
U1814Unplausible UWB-Daten Knoten IN 3 detektiert
U1815Unplausible UWB-Daten Knoten IN 4 detektiert
U1816CAN data bus No synchronization
U1817Short-range radar control module Ethernet data bus faulty
U1818Short-range radar control module 2 Ethernet data bus faulty
U1819Clock Recovery failed
U181AElectronic central electric Internal communication error
U181BMain control module, vehicle electrical system 1 Internal communication error
U181CMain control module, cockpit system 1 sound control Internal communication error
U181DMain control module, cockpit system 3 Android Internal communication error
U181EApplication Server 3 for System 1 Infotainment Internal communication error
U181FMalfunction_battery_voltage_CAN
U182012-volt vehicle electrical system 12-volt vehicle electrical system information triggered
U182112_V_electrical_system_voltage_below_lower_limit
U182212_V_electrical_system_voltage_exceeded_upper limit
U1823microcontroller_current_sensor_RAT
U1824Local Data Bus 33 No communication
U1825Local Data Bus 33 Electrical malfunction
U1826PASD ECU - missing RTCP message
U1827Data bus 100 no communication
U1828RTM_battery_unmatched_warning
U1829Driver brake request No signal
U182ABMS_MV_message_error
U182BRegister and pairing function Connection failed
U182CBattery_configuration_not_adapted
U182DVPU_SYNCHRONIZATION_ERROR
U182ENWD: 0x0A5 TimeSync_01 Timeout
U182FPASD ECU - no RTCP communication
U1830AMP ECU - no RTCP communication
U1831Amp ECU - missing RTCP message
U1832FAULT_ADA_FUNCTION_ERROR
U1833ADR_OPM_Failure
U1834FLEXRAY_FAHRWERK_01_SIGNAL_INVALID_VALUE_HGT_FL
U1835HVEM_Init_Failure_Power_Consumption_Counter_ADR
U1836Client_certificate_is_not_injected
U1837Real-time monitoring Check of warning report active
U1838Real-time monitoring Local buffer memory active
U1839Real-time monitoring Local buffer memory overwritten
U183AHud_data_not_valid
U183BLocal Data Bus 2 faulty
U183CNVEM_12V_battery_low_charge
U183DVPS ECU - no RTP communication
U183EVPS ECU - missing RTP message
U183FShort-range radar control module 3 BlockID not plausible
U184012V_battery_performance_too_low
U184112V_battery_sensor_no_communication
U1842Lithium_sensor_no_communication
U1843MAC address conflict in Ethernet switch branch 15
U1844MAC address conflict in Ethernet switch branch 16
U1845MAC address conflict in Ethernet switch branch 17
U1846MAC address conflict in Ethernet switch branch 18
U1847MAC address conflict in Ethernet switch branch 19
U1848Local Data Bus 3 faulty
U1849Local Data Bus 3 implausible signal
U184ABack end Registration of the APN (access point name) failed
U184BControl module for sound enhancement 3 MAC address conflict at Ethernet interface
U184CIp_MAC_address_conflict_switch_HCP4
U184DIp_MAC_address_conflict_switch_HCP1
U184ECamera control module MAC address conflict at Ethernet interface
U184FClock synchronization master, branch 15 invalid number
U1850DRT configuration error
U1851Clock synchronization master, branch 17 invalid number
U1852Clock synchronization master, branch 18 invalid number
U1853Clock synchronization master, branch 19 invalid number
U1854Ip_clock_sync_invalid_master_count_switch_microC
U1855Camera control module Clock synchronization master, invalid number
U1856Control module for sound enhancement 3 Clock synchronization master, invalid number
U1857Ip_clock_sync_invalid_master_count_switch_HCP4
U1858Ip_clock_sync_invalid_master_count_switch_HCP1
U1859Ethernet databus branch 15 Electrical malfunction
U185AEthernet databus branch 16 Electrical malfunction
U185BEthernet databus branch 17 Electrical malfunction
U185CEthernet databus branch 19 Electrical malfunction
U185DEthernet databus branch 18 Electrical malfunction
U185EEthernet databus branch 14 Open circuit
U185FEthernet databus branch 15 Open circuit
U1860Ethernet databus branch 16 Open circuit
U1861Ethernet databus branch 17 Open circuit
U1862Ethernet databus branch 18 Open circuit
U1863Ethernet databus branch 19 Open circuit
U1864Ethernet databus branch 14 Short circuit
U1865Ethernet databus branch 15 Short circuit
U1866Ethernet databus branch 16 Short circuit
U1867Ethernet databus branch 17 Short circuit
U1868Ethernet databus branch 18 Short circuit
U1869Ethernet databus branch 19 Short circuit
U186AEthernet databus branch 15 no communication
U186BEthernet databus branch 16 no communication
U186CEthernet databus branch 17 no communication
U186DEthernet databus branch 18 no communication
U186EEthernet databus branch 19 no communication
U186FFront sensor control module for driver assistance systems Ethernet data bus electrical malfunction
U1870Function restriction Driving program signals implausible
U1871Function restriction Door control module signals implausible
U1872Function restriction Trailer control module signals implausible
U1873Ethernet data bus LaVU-LIMU, electrical fault - impedance mismatch
U1874Camera control module Ethernet data bus open circuit
U1875Camera control module Ethernet data bus short circuit
U1876Camera control module No communication on Ethernet data bus
U1877Front sensor control module for driver assistance systems Ethernet data bus open circuit
U1878Front sensor control module for driver assistance systems Ethernet data bus short circuit
U1879Control module for distance regulation Ethernet data bus electrical malfunction
U187AControl module for distance regulation Ethernet data bus open circuit
U187BControl module for distance regulation Ethernet data bus short circuit
U187CControl module for sound enhancement 3 Ethernet data bus electrical malfunction
U187DControl module for sound enhancement 3 Ethernet data bus open circuit
U187EControl module for sound enhancement 3 Ethernet data bus short circuit
U187FControl module for sound enhancement 3 No communication on Ethernet data bus
U1880Charging communication control module 1 Ethernet data bus electrical malfunction
U1881Charging communication control module 1 Ethernet data bus open circuit
U1882Charging communication control module 1 Ethernet data bus short circuit
U1883Charging communication control module 1 No communication on Ethernet data bus
U1884Control module for emergency call module and communication unit Ethernet data bus electrical malfunction
U1885Control module for emergency call module and communication unit Ethernet data bus open circuit
U1886Control module for emergency call module and communication unit Ethernet data bus short circuit
U1887Information Electronics Control Module 1 Ethernet data bus electrical malfunction
U1888Information Electronics Control Module 1 Ethernet data bus open circuit
U1889Information Electronics Control Module 1 Ethernet data bus short circuit
U188AControl module for application server 1 system 2 Java Ethernet data bus electrical malfunction
U188BControl module for application server 1 system 2 Java Ethernet data bus open circuit
U188CControl module for application server 1 system 2 Java Ethernet data bus short circuit
U188DControl module for application server 1 system 2 Java No communication on Ethernet data bus
U188EData Bus OBD Interface Ethernet data bus electrical malfunction
U188FData Bus OBD Interface Ethernet data bus open circuit
U1890Data Bus OBD Interface Ethernet data bus short circuit
U1891Data Bus OBD Interface No communication on Ethernet data bus
U1892Driver assistance, main control module Ethernet data bus electrical malfunction
U1893Driver assistance, main control module Ethernet data bus open circuit
U1894Driver assistance, main control module Ethernet data bus short circuit
U1895Driver assistance, main control module 2 Ethernet data bus electrical malfunction
U1896Driver assistance, main control module 2 Ethernet data bus open circuit
U1897Driver assistance, main control module 2 Ethernet data bus short circuit
U1898Thermal management control module Ethernet data bus electrical malfunction
U1899Thermal management control module Ethernet data bus open circuit
U189AThermal management control module Ethernet data bus short circuit
U189BThermal management control module No communication on Ethernet data bus
U189CDrive and chassis main control module Ethernet data bus electrical malfunction
U189DDrive and chassis main control module Ethernet data bus open circuit
U189EDrive and chassis main control module Ethernet data bus short circuit
U189FDrive and chassis main control module No communication on Ethernet data bus
U18A0Function restriction Anti-theft coding signals implausible
U18A1Function restriction HV battery charger signals implausible
U18A2Diagnostic interface for data bus Ethernet debug interface Clock synchronization master, invalid number
U18A3Diagnostic interface for data bus Ethernet debug interface Ethernet data bus electrical malfunction
U18A4Diagnostic interface for data bus Ethernet debug interface MAC address conflict at Ethernet interface
U18A5Diagnostic interface for data bus Ethernet debug interface Ethernet data bus open circuit
U18A6Diagnostic interface for data bus Ethernet debug interface Ethernet data bus short circuit
U18A7Function restriction Road data implausible
U18A8Diagnostic interface for data bus Ethernet debug interface No communication on Ethernet data bus
U18A9Ethernet_databus_no_communication_switch_xView
U18AAFront sensor control module for driver assistance systems Ethernet data bus faulty
U18ABControl module for distance regulation Ethernet data bus faulty
U18ACDiagnostic interface for data bus Ethernet debug interface Ethernet data bus faulty
U18ADControl module for sound enhancement 3 Ethernet data bus faulty
U18AECharging communication control module 1 Ethernet data bus faulty
U18AFControl module for emergency call module and communication unit Ethernet data bus faulty
U18B0Information Electronics Control Module 1 Ethernet data bus faulty
U18B1Control module for application server 1 system 2 Java Ethernet data bus faulty
U18B2Driver assistance, main control module Ethernet data bus faulty
U18B3Thermal management control module Ethernet data bus faulty
U18B4Drive and chassis main control module Ethernet data bus faulty
U18B5Ethernet databus branch 14 faulty
U18B6Ethernet databus branch 15 faulty
U18B7Ethernet databus branch 16 faulty
U18B8Ethernet databus branch 17 faulty
U18B9Ethernet databus branch 18 faulty
U18BAEthernet databus branch 19 faulty
U18BBEthernet databus faulty
U18BCBrake electronics control module implausible signal
U18BDDemEvent bus error CanSngWire WU_HCP1_CANFD
U18BECANFD_WU_HCP2_CANFD_defect
U18BFWakeUp 2 data bus 1-wire mode
U18C0WakeUp 3 data bus faulty
U18C1WakeUp 3 data bus 1-wire mode
U18C2WakeUp 4 data bus faulty
U18C3WakeUp 4 data bus 1-wire mode
U18C4WakeUp 5 data bus faulty
U18C5WakeUp 5 data bus 1-wire mode
U18C6Electrification 2 data bus faulty
U18C7Electrification 2 data bus 1-wire mode
U18C8WakeUp 6 data bus faulty
U18C9WakeUp 6 data bus 1-wire mode
U18CADemEvent bus error CanGlobalTimeout WU_HCP1_CANFD
U18CBData bus multifunction steering wheel no communication
U18CCWakeUp 2 data bus no communication
U18CDWakeUp 3 data bus no communication
U18CEWakeUp 4 data bus no communication
U18CFWakeUp 5 data bus no communication
U18D0WakeUp 6 data bus no communication
U18D1Electrification 2 data bus no communication
U18D2Body computer 1/vehicle electrical system control module/el.ZE No communication on Ethernet data bus
U18D3Application Server 3 for System 1 Infotainment No communication on Ethernet data bus
U18D4Main control module, cockpit system 1 sound control No communication on Ethernet data bus
U18D5Main control module, cockpit system 3 Android No communication on Ethernet data bus
U18D6Drive and chassis system main control module 2 No communication on Ethernet data bus
U18D7TPI TPI: Tire control display/wheel released detection Internal error: lost RDS packet
U18D8Trustworthy time synchronization Recalculation of the lap counter failed
U18D9TLT_Master_lap_counter_save_error
U18DATLT_Master_request_overflow
U18DBTLT_Master_response_overflow
U18DCMass airflow sensor 2 implausible signal
U18DDFAULT_TLT_SLAVE_TIMEBASE_ERROR
U18DEFAULT_TLT_SLAVE_COMMUNICATION_ERROR
U18DFTLT_Master_max_time_overflow
U18E0Trustworthy time synchronization Unplanned reset
U18E1Instrument cluster control module No communication on Ethernet data bus
U18E2Generator faulty
U18E3Control module for top-view camera system No communication on Ethernet data bus
U18E4Battery monitoring control module 2 Function limitation due to excessive temperature
U18E5Electric drive voltage converter 2 no communication
U18E6RTM_Backend_DNS_lookup_failed
U18E7RTM_Backend_TCP_connection_failed
U18E8RTM_Backend_TLS_handshake_failed
U18E9RTM_Backend_Login_failed
U18EARTM_Backend_Root_CA_expired
U18EBRTM_Backend_Registration_failed
U18ECFID_Display_Ready_ERROR
U18EDApplication server 1 system 2 Java Internal interface communication errors
U18EEInstrument panel ambient lighting lamp 5 no communication
U18EFInstrument panel ambient lighting lamp 5 implausible message
U18F0Instrument panel ambient lighting lamp 6 no communication
U18F1Instrument panel ambient lighting lamp 6 implausible message
U18F2Instrument panel ambient lighting lamp 7 no communication
U18F3Instrument panel ambient lighting lamp 7 implausible message
U18F4Instrument panel ambient lighting lamp 8 no communication
U18F5Instrument panel ambient lighting lamp 8 implausible message
U18F6Bulb 7 for contour lighting of instrument panel no communication
U18F7Bulb 7 for contour lighting of instrument panel implausible message
U18F8Bulb 8 for contour lighting of instrument panel No communication
U18F9Bulb 8 for contour lighting of instrument panel implausible message
U18FATrustworthy time synchronization Continuity infringed
U18FBFAULT_TLT_SLAVE_COMMUNICATION_TIMEOUT
U18FCERA-Glonass Profile for emergency call not available
U18FDIndicator lamp for emergency call module operating unit received malfunction value
U18FEDemEvent timeout error PDU KN_ASC_XIX_HCP1_CANFD01
U18FFDemEvent alive counter error PDU ASC_01

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Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.

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