DTC B1278 Combination Switch ECU Communication Stop: Description
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. 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.
DTC DETECTION CONDITION AND TROUBLE AREA TABLE
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1278 | Combination switch ECU communication stops |
|