Diesel Data: Automotive Repair

HV Battery Control System

DTC U0293 LOST COMMUNICATION WITH HYBRID VEHICLE CONTROL SYSTEM

CIRCUIT DESCRIPTION


DTC Detection Condition:




The battery ECU receives signals from the HV control ECU, ECM, and gateway ECU via CAN (Controller Area Network) communication.

MONITOR DESCRIPTION

Typical Enabling Conditions:




Typical Enabling Conditions:




Typical Malfunction Thresholds:




Component Operating Range:




If the battery ECU detects malfunction in the CAN communication with the ECM or HV control ECU, it illuminates the MIL and sets a DTC.

Step 1:




INSPECTION PROCEDURE