DTC B1200 MPX Body ECU Stop: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is detected if communication between the main body ECU RH (cowl side junction block RH) and gateway ECU stops for more than 10 seconds
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1200 | Body ECU communication stops |
|