Actions Taken When the DTC Sets
- When DTC B257A 00 is present on the turn signal/multifunction switch headlamps OFF signal circuit, the park lamps and daytime running lamps are always ON in the AUTO and ON positions.
- When DTC B257A 00 is present on the turn signal/multifunction switch headlamps ON signal circuit, the low beam headlamps are always ON in the PARK position. The Park lamps are always ON in all switch positions. The BCM disregards all turn signal/multifunction switch inputs.