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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Active Hydraulic Booster (AHB) System Diagnosis - HEV >> DTC C2112: Valve Relay Error >> General Information >> DTC Description

DTC Description

The AHB ECU monitors the voltage from the valve relay.

When the valve relay is switched to ON, the AHB ECU will set this code if the solenoid voltage is below a specific range for a period of time.

When the valve relay is switched to OFF, the AHB ECU sets this code if the solenoid voltage is over a specific range for a period of time.