DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0150-87: Lost Communication with Serial Data Gateway Module "E" Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0269-87: Lost Communication with Image Processing Sensor E Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [10/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
These DTCs are output if a malfunction occurs in the CAN communication system connected to the advanced drive extension ECU assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Note |
|---|---|---|---|---|---|
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message | Communication between the advanced drive extension ECU assembly and the ECM is lost for approximately 8 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | Communication between the advanced drive extension ECU assembly and the steering sensor is lost for approximately 1 second or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0129-87 | Lost Communication with Brake System Control Module "A" Missing Message | Communication between the advanced drive extension ECU assembly and the skid control ECU assembly is lost for approximately 1 second or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0131-87 | Lost Communication with Power Steering Control Module "A" Missing Message | Communication between the advanced drive extension ECU assembly and the rack and pinion power steering gear assembly (EPS ECU) is lost for approximately 1 second or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0140-87 | Lost Communication with Body Control Module Missing Message | Communication between the advanced drive extension ECU assembly and the main body ECU (multiplex network body ECU) is lost for approximately 5 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0150-87 | Lost Communication with Serial Data Gateway Module "E" Missing Message | Communication between the advanced drive extension ECU assembly and the central gateway ECU (network gateway ECU) is lost for approximately 2 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message | Communication between the advanced drive extension ECU assembly and the airbag ECU assembly is lost for approximately 5 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | Communication between the advanced drive extension ECU assembly and the combination meter assembly is lost for approximately 5 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0269-87 | Lost Communication with Image Processing Sensor E Missing Message | Communication between the advanced drive extension ECU assembly and the driver monitor ECU assembly is lost for approximately 2 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing | Communication between the advanced drive extension ECU assembly and the hybrid vehicle control ECU is lost for approximately 2 seconds or more | CAN communication system | Advanced Drive eXtension Control | - |