DTC B1278 Combination Switch ECU Communication Stop: Description
WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is detected when communication between the combination switch (windshield wiper switch) and network gateway ECU stops for more than 10 seconds.
TERMINAL NUMBER AND SPECIFIED CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1278 | Combination switch ECU communication stops |
|