B18BD
DTC Troubleshooting: B18BD
DTC B18BD:
BSI Control Unit Voltage Input High
NOTE: This DTC may be indicated due a fault in the charging system including the battery.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait 20 seconds.
3. Check for DTCs with the HDS.
Is DTC B18BD indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time.�
4. Test the 12 V-battery.
Is the battery OK?
YES -
Replace the BSI control unit.�
NO -
Replace with the 12 V-battery.�