DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0132: Lost Communication with Suspension Control ECU; DTC U0142: Lost Communication with Body Control Module "B" [08/2019 - ]: Description
These DTCs are stored if a CAN communication malfunction occurs between the No. 1 headlight ECU sub-assembly RH and other ECUs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| U0073 | Control Module Communication Bus OFF | The No. 1 headlight ECU sub-assembly LH does not send/receive data. | CAN communication system | - |
| U0100 | Lost Communication with ECM / PCM "A" | The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more. |
|
- |
| U0129 | Lost Communication with Brake System Control Module | The No. 1 headlight ECU sub-assembly LH does not receive data from the master cylinder solenoid (skid control ECU) for approximately 5 seconds or more. |
|
- |
| U0132 | Lost Communication with Suspension Control ECU | The No. 1 headlight ECU sub-assembly LH does not receive data from the suspension control ECU for approximately 5 seconds or more |
|
w/ Air Suspension System |
| U0142 | Lost Communication with Body Control Module "B" | The No. 1 headlight ECU sub-assembly LH does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more. |
|
- |