2 files changed, 5 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 7eeee5efb..a93c11cbc 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -410,6 +410,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 return Position.ALARM_LOW_BATTERY;
             case 0x11:
                 return Position.ALARM_POWER_OFF;
+            case 0x0C:
             case 0x13:
             case 0x25:
                 return Position.ALARM_TAMPERING;
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 1570dcf32..ebda38823 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -18,6 +18,10 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
                 "78780D01086471700328358100093F040D0A"));
 
         verifyAttribute(decoder, binary(
+                "78782526160913063918c002780fab0c44750f00040008027f14084c0038420600030c020007398e0d0a"),
+                Position.KEY_ALARM, Position.ALARM_TAMPERING);
+
+        verifyAttribute(decoder, binary(
                 "7979000d940516090908081c030defbd2d0d0a"),
                 Position.KEY_DOOR, true);