DTC B1840
Precautions: Precautions for Body, Cab and Accessories · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1840: Vehicle Speed Invalid Data Combination meter received abnormal vehicle speed data from ECM. |
•Wheel speed sensor
•ESP® control module •ECM •Combination meter |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC check
1)Check DTC in ESP® control module.
Is there any DTC(s) detected?
|
Go to troubleshooting for applicable DTC.
|
Go to Step 2.
|
| 2 |
DTC check
1)Check DTC in ECM.
•M16A model:
•D16AA model: •K14C model: Is there any DTC(s) detected?
|
Go to troubleshooting for applicable DTC.
|
Replace combination meter and recheck DTC.
|