DTC C1A4B: Stop Light Relay Circuit [02/2014 - 11/2016]: Description
The skid control ECU sends a stop light operation signal to the stop light control relay (STOP LP relay). When the skid control ECU detects a malfunction in the stop light circuit, the driving support ECU assembly stores DTC C1A4B.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A4B | Stop Light Relay Circuit | While the power switch is on (IG), the skid control ECU detects a malfunction in the stop light relay circuit, it sends a malfunction signal to the driving support ECU assembly via CAN communication and the driving support ECU assembly stores this DTC. |
|