General Information

Active Air Flap

U0001 High Speed CAN Communication Bus off (C-CAN) - General Information

Component Location





General Description

CAN communication consists of High and Low line which has 120 Ohms register respectively. Through CAN communication, each module possibly sends their information to others.
A.A.F (=Active Air Flap) Actuator (Module) controls Engine and Motor properly by interchanging their information through CAN.

DTC Description

AAF sets DTC U0001 when AAF can not receive or give any information through AAF Actuator.

DTC Detecting Condition





Diagnostic Diagram










CAN Signal : high & low