DTC B1221 Power Window Switch Circuit on Driver Door: Description
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when any of the switches on the power window regulator master switch assembly is operated.
HINT:
- If this DTC is output when a switch is not operated, one of the switches may be stuck.
- If this DTC is not output when a switch is operated, the switch's contact is defective.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1221 | Power window switch or door control switch on power window master switch is operating |
|