Support for Teltonika FMC003 Tracker in Traccar

Dainis3 days ago

Hi all,

I am currently using a Teltonika FMC003 tracker and have noticed that the server is not accepting the device's OBD data.
After reviewing the server configuration, I found that in the file:
/opt/traccar/jre/bin/java -jar tracker-server.jar

The tracker-server.jar does not appear to include FMC003 in the list of supported devices. Specifically, in the code block:

static {
var fmbXXX = Set.of(
"FMB001", "FMC001", "FMB010", "FMB002", "FMB020", "FMB003", "FMB110", "FMB120", "FMB122", "FMB125",
"FMB130", "FMB140", "FMU125", "FMB900", "FMB920", "FMB962", "FMB964", "FM3001", "FMB202", "FMB204",
"FMB206", "FMT100", "MTB100", "FMP100", "MSP500", "FMC125", "FMM125", "FMU130", "FMC130", "FMM130",
"FMB150", "FMC150", "FMM150", "FMC920"
);
}
The FMC003 model is not listed, although it shares many parameters with the existing FMBxxx family, which is already supported.
Could you please advise if and when support for the FMC003 tracker will be added?
For reference, the device parameters can be found here, and more about the tracker-server.jar file:

https://wiki.teltonika-gps.com/view/FMC003_Teltonika_Data_Sending_Parameters_ID
https://github.com/traccar/traccar/issues/5132

Thank you for your assistance.

Dainis2 days ago

FMC003 Device Support Guide for Traccar

⚠️ Warning: I'm not entirely sure how this will work or if it will work at all. Everything you do is at your own risk—so seriously, backup, backup, backup.

This guide attempts to explain, step by step, how to add support for the FMC003 device to Traccar by modifying the source code and deploying the updated server, but proceed carefully.

1. Prerequisites Installation

Install Required Packages

Open a terminal and run:

Update system packages

apt update && apt upgrade -y

Install Java Development Kit (JDK 25)

apt install openjdk-25-jdk -y

Install Git

apt install git -y

Verify installations

java -version
git --version

2. Download and Prepare Source Code

Clone Traccar Repository

Navigate to source directory

cd /usr/local/src/

Clone Traccar repository with web interface

git clone --recursive https://github.com/traccar/traccar.git

Enter the cloned directory

cd traccar/

3. Modify Source Code for FMC003 Support

Edit TeltonikaProtocolDecoder.java

Open the Teltonika protocol decoder file in a text editor

nano src/main/java/org/traccar/protocol/TeltonikaProtocolDecoder.java

Add FMC003 to the Device List

Locate the static block defining the fmbXXX set (around line 40–50) and add "FMC003" to the list.

Before:

static {
    var fmbXXX = Set.of(
        "FMB001", "FMB010", "FMB002", "FMB020", "FMB003", "FMB110",
        "FMB120", "FMB122", "FMB125", "FMB130", "FMB140", "FMU125",
        "FMB900", "FMB920", "FMB962", "FMB964", "FM3001", "FMB202",
        "FMB204", "FMB206", "FMT100", "MTB100", "FMP100", "MSP500",
        "FMC130", "FMM130");
}

After:

static {
    var fmbXXX = Set.of(
        "FMB001", "FMB010", "FMB002", "FMB020", "FMB003", "FMB110",
        "FMB120", "FMB122", "FMB125", "FMB130", "FMB140", "FMU125",
        "FMB900", "FMB920", "FMB962", "FMB964", "FM3001", "FMB202",
        "FMB204", "FMB206", "FMT100", "MTB100", "FMP100", "MSP500",
        "FMC130", "FMM130", "FMC003");
}

Save and exit:

  • Press Ctrl + X
  • Press Y to confirm
  • Press Enter to save

4. Compile Traccar

Build from Source

Make gradlew executable

chmod +x gradlew

Clean previous builds and compile

./gradlew clean assemble

You should see:

BUILD SUCCESSFUL in [time]

Verify Build Output

Check compiled files

ls -la target/

Expected output:

  • tracker-server.jar – Main application
  • lib/ directory – All dependencies

5. Deploy to Production

Stop Traccar Service

Stop the service

systemctl stop traccar

Backup Current Installation

Backup the original JAR

cp /opt/traccar/tracker-server.jar /opt/traccar/tracker-server.jar.backup

Optional: Backup lib directory

cp -r /opt/traccar/lib /opt/traccar/lib.backup

Deploy New Files

Copy compiled JAR

cp target/tracker-server.jar /opt/traccar/

Copy all dependency libraries

cp -r target/lib/* /opt/traccar/lib/

Start Traccar Service

Start the service

systemctl start traccar

Verify service status

systemctl status traccar

✅ FMC003 is now "MUST BE" supported in your Traccar installation.

Anton Tananaev2 days ago

Here's the proper fix:

https://github.com/traccar/traccar/commit/6dc001fc1283980f6509930308679e39cfa7bacf

Dainis2 days ago

Just made a new compilation. I’ll test it and let you know how it goes.

Dainis2 days ago

The change didn’t have any effect; nothing changed.
I still only get I/O data and no OBD data.

2.jpg
11.jpg
22.jpg
33.jpg

Dainis2 days ago

Log

2025-11-01 15:29:43  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:29:36, lat: 11.1111, lon: 11.1111, speed: 3.2, course: 239.0
2025-11-01 15:29:45  INFO: [T5a73c309: teltonika < 172.16.16.2] 000000000000009d8e020000019a4009e288000307d5de1eb9e2aa001e00e40c000e00000005000200f00100290e0000000200c700007739001000046d3d000000010100001157424157423731303530503032393836350000019a4009e670000307d4901eb9e268001e00ef0c000d00000005000200f00100290c0000000200c700007739001000046d3d0000000101000011574241574237313035305030323938363502000049f8
2025-11-01 15:29:45  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000002
2025-11-01 15:29:48  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:29:41, lat: 11.1111, lon: 11.1111, speed: 7.6, course: 228.0
2025-11-01 15:29:48  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:29:42, lat: 11.1111, lon: 11.1111, speed: 7.0, course: 239.0
2025-11-01 15:29:53  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000508e010000019a400a01c8000307d0551eb9e109001e00e70b000300000005000200f00100290c0000000200c700007744001000046d4800000001010000115742415742373130353050303239383635010000074a
2025-11-01 15:29:53  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000001
2025-11-01 15:29:56  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:29:49, lat: 11.1111, lon: 11.1111, speed: 1.6, course: 231.0
2025-11-01 15:31:40  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000a28e030000019a400ba3c0000307c00e1eb9ddb8002800f605000600000003000100f0010000000200c700000000001000046d67000000000000019a400ba7a8000307bf351eb9dbc4002800d705000700000003000100f0010000000200c700000000001000046d67000000000000019a400bab90000307bda61eb9dc49002800e406000700000003000100f0010000000200c700000000001000046d6d000000000300004000
2025-11-01 15:31:40  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000003
2025-11-01 15:31:43  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:36, lat: 11.1111, lon: 11.1111, speed: 3.2, course: 246.0
2025-11-01 15:31:43  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:37, lat: 11.1111, lon: 11.1111, speed: 3.8, course: 215.0
2025-11-01 15:31:43  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:38, lat: 11.1111, lon: 11.1111, speed: 3.8, course: 228.0
2025-11-01 15:31:44  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000388e010000019a400bb360000307bb2c1eb9dcdf002800f207000800000003000100f0010000000200c700000000001000046d72000000000100007d7c
2025-11-01 15:31:44  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000001
2025-11-01 15:31:47  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:40, lat: 11.1111, lon: 11.1111, speed: 4.3, course: 242.0
2025-11-01 15:31:52  INFO: [T5a73c309: teltonika < 172.16.16.2] 000000000000006d8e020000019a400bd2a0000307b3091eb9dc59002a00fe06000800000003000100f0010000000200c700000000001000046d81000000000000019a400bd688000307b2841eb9dcad002a010905000800000003000100f0010000000200c700000000001000046d840000000002000048e6
2025-11-01 15:31:52  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000002
2025-11-01 15:31:55  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:48, lat: 11.1111, lon: 11.1111, speed: 4.3, course: 254.0
2025-11-01 15:31:55  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:31:49, lat: 11.1111, lon: 11.1111, speed: 4.3, course: 265.0
2025-11-01 15:32:31  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000388e010000019a400c6af8000307cd241eb9ef3b001c00e004000600000003000100f0010000000200c700000000001000046ddd000000000100001ba0
2025-11-01 15:32:31  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000001
2025-11-01 15:32:34  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:32:27, lat: 11.1111, lon: 11.1111, speed: 3.2, course: 224.0
2025-11-01 15:33:39  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000388e010000019a400d7498000307cd241eb9ef3b0000000000000000f00003000100f0000000000200c700000000001000046ddd000000000100006dd4
2025-11-01 15:33:39  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000001
2025-11-01 15:33:42  INFO: [T5a73c309] id: 864275078393454, time: 2025-11-01 15:33:35, lat: 11.1111, lon: 11.1111, course: 0.0
2025-11-01 15:35:15  INFO: [T5a73c309: teltonika < 172.16.16.2] 00000000000000ad8e020000019a400dd640000307cd241eb9ef3b0000000000000000ef000c000500ef0000f00000150400c800004502000500b5000000b600000042004400430f9700440000000200f100004fb4001000046ddd000000000000019a400ef750000307cd241eb9ef3b0000000000000000f0000c000500ef0000f00100150400c800004502000500b5000000b600000042000000430fa500440000000200f100004fb4001000046ddd
2025-11-01 15:35:15  INFO: [T5a73c309: teltonika < 172.16.16.2] 000000000200001b00
2025-11-01 15:35:15  INFO: [T5a73c309: teltonika > 172.16.16.2] 00000002