ROAD SIGN ASSIST SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Table 1. Road Sign Assist System
DTC No.	Detection Item	Link
C1AA0	Front Camera Module Circuit	Click here
C1AA1	FCM Destination Information Unmatched	Click here
C1AA2	Vehicle Speed Tolerance Malfunction	Click here
C1AA3	Vehicle Speed Sensor Circuit	Click here
C1AA4	Yaw Rate Sensor Circuit	Click here
C1AA5	Yaw Rate Sensor Power Supply Voltage Circuit	Click here
C1AA6	Yaw Rate Sensor Zero Point Malfunction	Click here
C1AA8	Front Camera Module Incorrect Axial Gap	Click here
C1AA9	Front Camera Module Beam Axis Not Adjusted	Click here
C1AAA	FCM Destination Information Uninitialized	Click here
U0100	Lost Communication with ECM / PCM "A"	Click here
U0101	Lost Communication with TCM	Click here
U0123	Lost Communication with Yaw Rate Sensor Module	Click here
U0129	Lost Communication with Brake System Control Module	Click here
U0142	Lost Communication with Body Control Module "B"	Click here
U0155	Lost Communication with Combination Meter	Click here