DTC P1615 Communication Error from Distance Control ECU to ECM: Description
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
The distance control ECU receives information about the area in front of the vehicle from the millimeter wave radar sensor and then sends a brake control demands signal (deceleration demand) and diagnosis signals, such as millimeter wave radar sensor grime signals or millimeter wave radar sensor malfunction signals, to the hybrid vehicle control ECU.
DTC DETECTION CONDITION - DTC P1615
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1615 | While dynamic radar cruise control is either preparing, if communication data from distance control ECU is inconsistent logically for certain amount of time or more, hybrid vehicle control ECU records logical error code |
|