DTC B1120
Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1120: BCM Internal Defect BCM internal failure. |
BCM |
DTC Confirmation Procedure
1)Set ignition “ON”.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC recheck
1)Disconnect negative (–) cable at battery.
2)Connect negative (–) cable at battery.
3)Perform DTC Confirmation Procedure and then recheck DTC.
Is DTC B1120 still detected?
|
Replace BCM and recheck DTC.
|
End.
|