General Information

Active Air Flap
U0298 Lost Communication with DC to DC Converter Control Module - General Information

Component Location





Gerneral Description

AAF(Active Air Flap) have High and Low line in the CAN communication which receives each vehicle condition from EMS, FATC, TCU, MCU and LDC. With this informations, AAF controls Motor properly.

DTC Description

The AAF sets DTC P0293 when the AAF detects that there is no signal from LDC.

DTC Detecting Condition





Diagnostic Diagram










CAN Signal : high & low