Toyota Corolla Cross: Navigation / Multi Info Display

 Hybrid/EV Battery Control System Over Temperature (P30004B)

DESCRIPTION The battery ECU assembly monitors the temperature of the HV battery to detect if it becomes excessively high. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note P30004B Hybrid/EV Battery Control System Over Temp

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the susp