P1615

DTC P1615 Communication Error from Distance Control ECU to HV ECU
DTC U0293-730 Lost Communication with Distance Control ECU

DESCRIPTION

DTC Detection Condition:

The distance control ECU (cruise 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.

Step 1:

INSPECTION PROCEDURE

HINT: This circuit uses CAN communication. Therefore, one or more DTCs in the CAN communication system are output if there are any malfunctions in the communication circuit.