• posted by Craig Murray

A left front low beam failure indicates that the left low-beam headlamp is not operating when commanded. The fault affects the exterior lighting system, including the headlamp assembly, lighting control circuits, body control functions, wiring, and associated electronic controls that manage low-beam operation. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

B236009 indicates a failure has been detected in the instrument display screen. The fault affects the instrument cluster display system responsible for presenting vehicle operating information, warning messages, and driver information. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

U0245 indicates that communication between the instrument cluster and multimedia system has been interrupted. The fault affects the vehicle’s electronic communication network, which exchanges information between the instrument cluster, infotainment system, and associated control modules for displaying and managing vehicle and multimedia functions. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

U0164 indicates that communication with the air-conditioning system has been lost. The fault affects the vehicle communication network used to exchange climate-control information between the A/C control system and other electronic control units responsible for cabin temperature management and related vehicle functions. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

U0146 indicates that communication between the instrument cluster and vehicle gateway has been interrupted. The fault affects the vehicle communication network, where the gateway routes information between electronic control units and the instrument cluster displays vehicle status, warnings, and operating information. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

B2342 indicates an internal failure has been detected within the instrument cluster. The fault affects the cluster’s electronic processing and display functions, which receive vehicle information from other control modules and present operating status, warnings, and system information to the driver. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

An instrument cluster CAN-off condition indicates that the instrument cluster has lost communication with the vehicle’s body network. The fault affects the Controller Area Network (CAN) communication system used to exchange information between the cluster, body control modules, and other electronic control units for displaying vehicle status and warnings. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

B2A0803 indicates an open circuit has been detected in the evaporator outlet refrigerant pressure sensor circuit. The fault affects the air-conditioning system’s refrigerant pressure monitoring, which provides the control system with pressure information used to regulate compressor operation and protect the refrigerant circuit. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

B2ABC16 indicates that a low-voltage condition has been detected on the high-voltage side of the electric A/C compressor. The fault affects the compressor’s high-voltage power supply and drive electronics, which provide the electrical energy required to operate the compressor motor and maintain refrigerant circulation for cabin cooling. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.

• posted by Craig Murray

B2ABB17 indicates that an overvoltage condition has been detected on the high-voltage side of the electric A/C compressor. The fault affects the compressor’s high-voltage power supply and drive electronics, which regulate electrical power to operate the compressor motor and maintain refrigerant circulation for cabin cooling. The BYD ATTO 3 uses BYD’s e-Platform 3.0 architecture, with this generation introduced from 2022 and continuing onward.