P1615

DTC P1615 Communication Error from ECM to Distance Control ECU
DTC U1101 Lost Communication with ECU ECM/PCM "A"

DESCRIPTION

DTC Detection Condition:

The distance control ECU receives information about the area in front of the vehicle from the laser sensor and then sends a brake control demand signal (deceleration demand) and diagnosis signals, such as laser sensor grime or laser sensor malfunction, to the ECM.

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.

Step 1: