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DTC B22DC: Sub Battery Module Protection Relay High Temperature Malfunction [12/2017 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
B22DC Sub Battery Module Protection Relay High Temperature Malfunction Protection relay temperature is continuously high for 10 seconds.
(1 trip detection logic)
Sub-battery module assembly Comes on DTC stored

HINT: 

The details of a DTC can be checked by using the DTC Sub Code of the freeze frame data that was recorded when the DTC was output.

DTC Sub Code Detail
"2F" Protection Relay FET Temperature1 or Protection Relay FET Temperature2 is 105°C (221°F) or more