2 files changed, 8 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
index 86a8bf6fe..53c4a5d02 100644
--- a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
@@ -454,9 +454,10 @@ public class SuntechProtocolDecoder extends BaseProtocolDecoder {
 
             if (values.length - index >= 2) {
                 String driverUniqueId = values[index++];
-                if (values[index++].equals("1") && !driverUniqueId.isEmpty()) {
+                if (!driverUniqueId.isEmpty()) {
                     position.set(Position.KEY_DRIVER_UNIQUE_ID, driverUniqueId);
                 }
+                index += 1; // registered
             }
 
             if (isIncludeTemp(deviceSession.getDeviceId())) {
diff --git a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
index 22afe559a..d656bba13 100644
--- a/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/SuntechProtocolDecoderTest.java
@@ -293,6 +293,12 @@ public class SuntechProtocolDecoderTest extends ProtocolTest {
                 "ST300HTE;100850001;04;248;20110101;00:13:52;167559;12.28;004005;0.0;1;0;3;3;0;-22.881018;-047.070831;-22.881018;-047.070831;000.000;000.000;0;0;3;0;0;0;01E04D44160000"),
                 Position.KEY_DRIVER_UNIQUE_ID, "01E04D44160000");
 
+        decoder.setHbm(true);
+
+        verifyAttribute(decoder, buffer(
+                "ST300STT;807469112;45;315;20231215;15:25:03;104147;-16.030168;-047.989150;000.000;000.00;19;1;8600;12.14;000010;1;0456;000373;4.1;1;01B54221010000;0"),
+                Position.KEY_DRIVER_UNIQUE_ID, "01B54221010000");
+
     }
 
 }