DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible cause
DTC Strategy	Voltage Monitoring	Open or short in the brake lamp relay (HAC relay) circuit Faulty brake lamp relay (HAC relay)
Threshold Value	When open or short in Brake lamp relay circuit is detected for over 600ms.
Fail Safe	Inhibit the HAC control and allow the ABS/EBD/ESP (ESC) control The ESP (ESC) warning lamp is activated