DTC B1A01
Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1A01: Battery Voltage High Power supply circuit voltage is higher than specified value for specified time. |
•Charging system
•TPMS control module |
DTC Confirmation Procedure
1)Start engine, if possible.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Charging system check
1)Check charging system.
•M16A model:
 •K14C model: •D16AA model: Is check result OK?
|
Replace TPMS control module and recheck DTC.
|
Repair charging system.
|