DTC U1306-51: Software Incompatibility with Power Steering Control Module Rear Not Programmed; DTC U1306-57: Software Incompatibility with Power Steering Control Module Rear Invalid/Incompatible Software Component [05/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LC 500h. However, it is still accessible from the selected car via links, so may be relevant.
Forward recognition camera receives the dynamic rear steering system information from the DRS ECU (rear steering control ECU) via CAN communication line.
If the forward recognition camera cannot store the dynamic rear steering system information, DTC U1306-51 is stored.
If the dynamic rear steering system information stored in the forward recognition camera is different from that stored in the DRS ECU (rear steering control ECU), DTC U1306-57 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U1306-51 | Software Incompatibility with Power Steering Control Module Rear Not Programmed | With 3 seconds elapsed after the power switch is on (IG), the vehicle information sent from the DRS ECU (rear steering control ECU) remains undefined 10 seconds or more. |
|
Pre-Collision System |
| U1306-57 | Software Incompatibility with Power Steering Control Module Rear Invalid/Incompatible Software Component | With 3 seconds elapsed after the power switch is on (IG), the stored value for the vehicle information in the forward recognition camera does not match the received value from the DRS ECU (rear steering control ECU) for 3 seconds or more. |
|
Pre-Collision System |