DTC B22D8: Sub Battery Module Power Supply Circuit Malfunction [12/2017 - 10/2023]: Description
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| B22D8 | Sub Battery Module Power Supply Circuit Malfunction | This DTC is stored when a malfunction is detected in the sub-battery power supply circuit. (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 |
|---|---|
| "18" | Power source control circuit open |
| "19" | Power source control circuit short |
| "1A" | Power source voltage increase malfunction |
| "1B" | Power source voltage drop malfunction |
| "1C" | +B backup power source circuit open |
| "1D" | +B backup power source circuit short |