DTC B22F1: Sub Battery Module Backup Relay Stuck Open [12/2017 - 10/2023]: Description
Refer to DTC B22F0.
Refer to DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| B22F1 | Sub Battery Module Backup Relay Stuck Open | This DTC is stored when the backup relay is stuck open. (1 trip detection logic) |
Backup relay | 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 |
|---|---|
| "37" | Backup relay is continuously stuck closed for 2 seconds |
| "3A" | Backup relay control is continuously not possible for 60 seconds |