P1615

CRUISE CONTROL: DYNAMIC LASER CRUISE CONTROL SYSTEM: P1615: Communication Error from Distance Control ECU to ECM

DTC P1615 - Communication Error from Distance Control ECU to ECM

DTC U1101 - Lost Communication with Distance Control ECU

DESCRIPTION

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 signals or laser sensor malfunction signals, to the ECM.






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

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING How to Proceed With Troubleshooting.
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