If abnormal Brake Lamp Relay signal is detected, HECU sets DTC C2131.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Signal Monitoring | 1. Brake Lamp Relay Circuit Open/Short 2. Defected Brake Lamp Relay |
Threshold Value |
•
Open/Short in Brake Lamp Realy Control Circuit. | |
Warning Indicator Lamp Status |
•
ESC(ESP) Warning Indicator Lamp "ON" | |
Clear Condition |
•
Ignition "OFF" and then "ON" |
