General Information

Electronic Stability Control
C2130 Brake Lamp Relay Error - General Information

Component Location





General Description

The DBC function is the shorten word of Downhill Brake Control function. When a vehicle goes down the hill, just pushing the DBC switch enables the car to keep its vehicle's speed at a constant value without operating the brake pedal. The DBC function is operated when the vehicle is on the decline and its velocity is under the predetermined speed.

DTC Description

The HECU monitors the brake lamp relay(DBC relay) for a normal operation and if there is a open or short circuit in the relay, this DTC is set.

DTC Detecting Condition





Diagnostic Circuit Diagram