DTC B1A42
Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1A42: Vehicle Variant Data Mismatched Inconsistency between vehicle variant data stored in TPMS control module and vehicle information signal transmitted via CAN communication. |
•ECM
•Combination meter •TPMS control module |
DTC Confirmation Procedure
1)Set ignition “ON”.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC check
Is DTC B1A03 detected?
|
Go to troubleshooting for applicable DTC.
|
Go to Step 2.
|
| 2 |
ECM specification check
1)Check ECM part number of the vehicle in service.
Is a correct ECM used for the vehicle in service?
|
Go to Step 3.
|
Replace ECM with a correct one and recheck DTC.
•M16A model:
 •K14C model: •D16AA model: |
| 3 |
Combination meter specification check
1)Check combination meter part number of the vehicle in service.
Is a correct combination meter used for the vehicle in service?
|
Replace TPMS control module with the correct one and recheck DTC.
|
Replace combination meter with the correct one and recheck DTC.
|