DTC C1425-71: Stop Light Relay Actuator Stuck [06/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU (brake booster with master cylinder assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake booster with master cylinder assembly) detects a malfunction in the stop light relay (stop light switch assembly) circuit, the forward recognition camera stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1425-71 | Stop Light Relay Actuator Stuck | 3 seconds or more after the power switch is turned on (IG), the forward recognition camera receives a stop light relay circuit malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for approximately 1 second or more. | Electronically controlled brake system |