diff --git a/src/main/java/org/api/test/biz/carInfo/controller/CarInfoController.java b/src/main/java/org/api/test/biz/carInfo/controller/CarInfoController.java
index 41cdaf1..b1479d1 100644
--- a/src/main/java/org/api/test/biz/carInfo/controller/CarInfoController.java
+++ b/src/main/java/org/api/test/biz/carInfo/controller/CarInfoController.java
@@ -42,8 +42,8 @@ public class CarInfoController {
         String msg  = resultRecords.isEmpty() ? "조회된 차량 정보가 없습니다." : "정상";
 
         CarInfoDto.Response response = CarInfoDto.Response.builder()
-                .LINK_RSLT_CD(code)
-                .LINK_RSLT_DTL(msg)
+                .linkRsltCd(code)
+                .linkRsltDtl(msg)
                 .record(resultRecords)
                 .build();
 
diff --git a/src/main/java/org/api/test/biz/carInfo/dto/CarInfoDto.java b/src/main/java/org/api/test/biz/carInfo/dto/CarInfoDto.java
index 4d93c47..e7477a6 100644
--- a/src/main/java/org/api/test/biz/carInfo/dto/CarInfoDto.java
+++ b/src/main/java/org/api/test/biz/carInfo/dto/CarInfoDto.java
@@ -83,8 +83,10 @@ public class CarInfoDto {
     @Setter
     @Builder
     public static class Response {
-        private String LINK_RSLT_CD;
-        private String LINK_RSLT_DTL;
+        @JsonProperty("LINK_RSLT_CD")
+        private String linkRsltCd;
+        @JsonProperty("LINK_RSLT_DTL")
+        private String linkRsltDtl;
         private List<CarInfo> record;
 
 
diff --git a/src/main/java/org/api/test/biz/carInfo/service/CarInfoMock.java b/src/main/java/org/api/test/biz/carInfo/service/CarInfoMock.java
index 0a8f9d8..5cb9f53 100644
--- a/src/main/java/org/api/test/biz/carInfo/service/CarInfoMock.java
+++ b/src/main/java/org/api/test/biz/carInfo/service/CarInfoMock.java
@@ -38,7 +38,7 @@ public class CarInfoMock {
                 // 3) 제원 / 차종
                 // DSPLVL VARCHAR(6)
                 .DSPLVL(randomNumeric(4))
-                .VHCTY_ASORT_CODE(randomFrom("01", "02", "03"))
+                .VHCTY_ASORT_CODE(randomFrom("1", "2", "3"))
                 .VHCTY_ASORT_NM(randomFrom("승용", "승합", "화물"))
                 .VHCTY_TY_CODE(randomFrom("A", "B", "C"))
                 .VHCTY_TY_NM(randomFrom("소형", "중형", "대형"))