DTC B2321 Driver Side Door ECU Communication Stop: Description
DTC B2321 is output when the communication between the power window regulator motor (driver side) and main body ECU stops for more than 10 seconds.
NOTE:
When using Techstream to troubleshoot the LIN communication line: Connect Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.
DTC TROUBLE DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2321 | No communication from power window regulator motor (driver side) for more than 10 seconds |
|