CAN Bus Engineer for BS6 Truck Telematics

@vishal1145

Your BS6 telematics project will fail if you cannot reverse-engineer manufacturer-specific CAN messages beyond standard J1939 PIDs. Most Indian OEMs use proprietary ECU protocols that require DBC file reconstruction from raw traffic analysis. Quick questions - are you planning to tap into the high-speed CAN (500 kbps) or the diagnostics CAN (250 kbps), and do you have existing relationships with truck OEMs for protocol documentation? Here is the architectural approach: - J1939 DECODING: Build a Python-based CAN sniffer using SocketCAN on Raspberry Pi 4 with MCP2515 interface to capture PGN frames and decode SPN parameters for engine RPM, fuel rate, and DTC codes. - REVERSE ENGINEERING: Use SavvyCAN to correlate raw CAN traffic with physical vehicle actions (throttle press, brake engage) to map proprietary message structures that standard OBD-II cannot access. - SCALABLE LOGGING: Design a fleet-ready data pipeline that logs CAN frames to InfluxDB with timestamp synchronization, enabling replay analysis across multiple truck models without re-decoding. I've reverse-engineered CAN protocols for 4 commercial vehicle projects including Tata and Ashok Leyland telematics systems. Let's schedule a 20-minute technical call to review your hardware setup before you invest in the wrong CAN interface.

@edi45

Hi, I am embedded system engineer with 11 years of experience and came across multiple CAN network project, starting from BMS, car, and boat, even brief integration with heavy vehicle like forklift. May be i can help decode all the can ID base on the data field like RPM speed and stuff. lets discuss further detail and see if we can work it out together

@jayantkumar314

With over five years of experience in software engineering, my forte aligns perfectly with decoding and analyzing CAN bus data for intricate systems. I have bo To further showcase my relevance is my proficiency and track record using ESP32 based CAN interfaces majorly deployed on automotive embedded systems as required for decoding the secrets behind BS6 Truck Telematics. I understand the significance of this project as the automotive industry moves towards more stringent standards such as BS6 compliance- resulting in multiple CAN networks in vehicles.I confidently assure you that together we can successfully curate logs with impeccably-mapped out CANID & message structures alongside insightful sample software/scripts for capturing efficiently and processing the same for valuable telemetry on variables like vehicle speed, engine RPM among numerous others. Choose me as your Vehicle Telematics guru for scrutinizing every important detail ensuring successful implementation first on one truck then holistically to multiple trucks/models!

@Cruz1217

BS6 CAN, I see that extracting and decoding CAN bus data from BS6-compliant commercial trucks requires a deep understanding of vehicle telematics and automotive embedded systems. I'd approach this by first identifying the available CAN bus interfaces and determining the appropriate physical connection for accessing CAN data. My goal is to capture raw CAN frames and decode them into meaningful vehicle parameters. I've worked with similar projects where the key to success lies in understanding the CAN protocol and baud rate configuration, so I'll make sure to analyze the CAN IDs and message structures carefully. The client can expect a detailed report on the decoded parameters, including vehicle speed, engine RPM, and fuel level, as well as guidance on CAN logging and analysis. I'm ready to start immediately and provide a recommended CAN interface setup, physical connection guidance, and sample software for capturing and processing CAN data.

@hexabitzprojects

Hi, I can support the **CAN data acquisition and decoding PoC** for your BS6 commercial trucks. I have **16 years of embedded/automotive R&D experience**, including completed **AIS-140 GPS Tracker and vehicle telematics projects**, with CAN, GNSS, cellular communication and embedded data acquisition. I can handle the workflow from **truck CAN interface → safe connection → raw frame logging → baud-rate/network identification → CAN-ID analysis → signal decoding → vehicle parameter mapping**. I can investigate **J1939, OBD-II, UDS or manufacturer-specific CAN**, rather than relying only on standard PIDs. I can work with **PCAN or ESP32 CAN hardware**, using Python/C/C++ for logging and analysis. Deliverables can include raw logs, CAN-ID/signal mapping, decoded parameters, capture scripts and complete reproduction documentation. Relevant experience includes **automotive telematics, AIS-140 GPS tracking, CAN-based vehicle interfaces and embedded data acquisition For the initial PoC, I would use **one truck**, capture controlled vehicle states, correlate frames with known parameters and build a repeatable decoding methodology. **Estimated PoC: 1–2 weeks**, depending on truck access and CAN accessibility. Best regards, Subhash Suman Automotive Telematics | CAN | Embedded Systems | Vehicle Electronics

@NEHABHAT92

With immense pleasure, I offer my extensive experience of over nine years in IT services particularly, web development, and mobile app development to serve your specific needs. I have a firm grip over multiple programming languages including Python which can prove pivotal as you seek a CAN Bus data extraction and decoding engineer for BS6-compliant commercial trucks. My expertise goes beyond just theorizing concepts as I assure you of my hands-on approach demonstrated time and again through **IDs identification and mapping** and crafting **Can Trace/log files from testing** among other tasks listed in the project. To add to my repertoire, I am also familiar with **OBD-II**, **J1939**, **UDS**, and CAN reverse engineering just to name a few datatype protocols that you've highlighted in the project description. This is specifically critical given that my experience revolves around the Indian commercial-vehicle market including familiarity with Indian BS6 trucks which could aid in providing you with even more refined solutions to your project demands. Moreover, given the project's multi-tiered nature with software/API integration, building a repeatable method for collecting CAN data from multiple vehicles is vital. I assure you that my forte doesn't solely lie in designing software/scripts for capturing and processing CAN data but excels in building a documented setup to replicate the process for your team's convenience which will facilitate future maintenance o

@alfatrade2

Without a DBC file from the manufacturer, decoding CAN on BS6 trucks will have to be done by reverse engineering: on J1939, part of it is standard PGNs, but everything proprietary (MID-specific frames) will have to be guessed by correlating with actions in the cab. I don't have direct experience with truck buses, but I have written firmware for microcontrollers with sensors and actuators in C/C++. What make of truck is it, and is there access to the OBD port or only to the wiring?

@salihkarademir17

Hi, CAN is my home ground: 8+ years in automotive embedded and test automation (BMS, steering, OBD, infotainment projects for OEM/Tier-1 clients) with the Vector toolchain, so this is exactly the kind of work I've done. How I'd approach BS6 trucks: 1) Interfaces: BS6 commercial vehicles generally expose SAE J1939 on the 9-pin Deutsch diagnostic connector (250/500 kbit/s), with OBD (ISO 15765/J1979 or J1939-73 DM messages) for emissions data. I'll confirm per truck model which pins and bitrates are live before anything is connected. 2) Safe access: listen-only mode first, no transmission onto the bus, using a proper adapter (PCAN-USB, Kvaser or a CANable/ESP32 with isolated transceiver depending on your budget and whether this becomes a fleet device). 3) Capture: python-can logging to BLF/ASC/CSV with timestamps, covering idle, driving, braking, regen/DPF events so all messages show up. 4) Decoding: J1939 29-bit IDs split into PGN/SA/priority, standard PGNs mapped to SPNs (engine speed, vehicle speed, fuel rate, coolant temp, odometer, DTCs via DM1, etc.) with cantools/DBC; unknown proprietary frames analysed by correlating signal changes with known events. 5) Deliverables: decoded parameter list with scaling/units, a reusable Python decoder + DBC file, and wiring/interface notes you can reuse across the fleet. You do the physical hookup following my step-by-step guide, I work remotely on the captures. Which truck makes/models are you starting with, and do you already have a CAN adapter?

@abhilashr53

You need CAN bus data reliably decoded from BS6 trucks into actionable telematics parameters, fast and repeatable. Here is my plan: connect via the OBD-II/J1939 diagnostic port using a CANalyzer or open-source equivalent, sniff live traffic, identify baud rates, map IDs, and decode frames against J1939 PGNs first since BS6 trucks predominantly follow this standard, then handle any OEM-proprietary layers. I will deliver a DBC file, a documented decode methodology, and a reusable logging pipeline you can deploy across your fleet. I have hands-on experience with J1939, UDS, and OBD-II across commercial vehicle ECUs, including FMS gateway data extraction and DTC interpretation. BS6 compliance means OBDII mandates are in play, which actually opens more standardized PIDs than earlier generations. Timeline: initial interface mapping and first decoded parameters in week one, full parameter list with DBC and logging guide by week two. Which truck OEMs are in your fleet, Tata, Ashok Leyland, Eicher, or mixed? That determines how deep the proprietary protocol layer goes and helps me scope this accurately from day one.

@GenomyR

Hi, Decoding BS6 commercial truck telematics requires handling mixed J1939, UDS, and proprietary OEM frame structures over dual CAN buses without triggering gateway errors or disrupting ECU communications. Modern BS6 platforms often isolate standard J1939 broadcast data on the diagnostic port while routing high-frequency engine and chassis parameters through gated sub-networks. I will structure this logging framework by first confirming physical tap points using a non-intrusive capacitive probe or the J1939 Type 2 green connector to sample raw traffic at 250kbps and 500kbps. Next, I will capture baseline CAN traces during controlled engine states, running automated log parses to map standard J1939 PGNs for parameters like RPM, fuel rate, and speed alongside UDS parameter IDs for fault codes. Once identified, I will deliver a modular Python decoding script that transforms raw log files into structured JSON or CSV exports with dynamic rate-limiting to ensure clean data processing. We can execute Stage 1 for $100 in 2 business days, where I will deliver a structured CAN signal matrix template along with a sample Python parser that decodes standard J1939 PGNs from your initial raw log file so you can verify the workflow before moving forward. Are you tapping the CAN lines directly from the rear of the instrument cluster and OBD/J1939 port, or are you capturing data behind a central security gateway module? Best regards, Tumisang

@Weiw71

I can take care of ‘CAN Bus Engineer for BS6 Truck Telematics’. I’ll validate the input/schema, reproduce the failure or quality issue, implement the cleanup/transform, and add repeatable validation checks, then deliver the corrected data/output plus the script and a short validation summary. The listed stack (Python, Arduino, Raspberry Pi) fits that delivery path. I can start immediately; proposed turnaround is 2 days. If you have one priority sample or edge case, I’ll use it as the acceptance check.

@creator0X

BS6 CAN I have practical experience in Embedded C, LPC2129, CAN communication, UART, I2C, sensors, and automation systems. I completed an LPC2129-based Body Control Module project using CAN communication between multiple nodes for indicators, wipers, and LCD feedback. Although I have not yet worked directly with BS6 trucks or J1939, I understand CAN fundamentals and am eager to apply and expand my skills in automotive CAN data capture, analysis, and decoding. I am ready to take this project as a challenge and deliver the required scripts and documentation.

@JamalUbe

Hello, I have carefully read your requirements for the CAN Bus Data Extraction & Vehicle Telematics project on BS6 commercial trucks. With strong practical experience in embedded systems, Python-based data processing, and CAN network communication, I am fully equipped to help you execute this proof of concept successfully. Here is how I plan to approach your requirements: • Hardware & Connection Setup: Guidance on selecting the appropriate physical interface (such as Arduino/ESP32/Raspberry Pi-based setups or professional CAN tools) and safe wiring for BS6 heavy commercial vehicles. • Data Capture & Logging: Implementing a reliable methodology for capturing raw CAN frames, analyzing baud rates, and generating clean trace/log files. • Reverse Engineering & Decoding: Moving beyond standard OBD-II to decode raw messages into meaningful parameters (Engine RPM, vehicle speed, engine load, temperature, fault codes, etc.) while mapping J1939 or manufacturer-specific protocols. • Software & Documentation: Delivering clean Python/C processing scripts and comprehensive documentation so your team can easily reproduce and scale the process. I am ready to start immediately with the initial proof of concept on a single truck and guide your team step-by-step. Let's discuss the details and get started

@MuhammadAsad108

BS6 CAN I deliver 100% work — 99.9% is not for me. Workflow Diagram Truck CAN ⟶⟶ Interface Setup ⟶⟶ Raw CAN Capture ⟶⟶ Baud/Network Analysis ⟶⟶ J1939/UDS/OBD Analysis ⟶⟶ CAN ID Mapping ⟶⟶ Signal Decoding ⟶⟶ Validation ⟶⟶ Python Processing ⟶⟶ Documentation I can handle this as a practical one-truck proof of concept, starting from raw CAN acquisition rather than assuming BS6 parameters are available through standard OBD-II PIDs. My embedded background includes Python, C/C++, ESP32/Raspberry Pi, serial/network communication, device data acquisition and protocol-level analysis. For this project I can work with SocketCAN-compatible hardware and analysis workflows using tools such as SavvyCAN, CAN utilities and Python processing. I’ll correlate controlled vehicle events—RPM changes, acceleration, braking, ignition and other known states—with timestamped CAN traffic to identify candidate IDs and signals. J1939 PGN/SPN data will be separated from UDS/OBD and manufacturer-specific traffic. For the initial POC, I estimate approximately 5–10 working days. We can finalize the POC cost after confirming the truck model, available diagnostic connector/CAN interface and exact testing setup. Best Regards, Asad Embedded Systems | Python/C++ | CAN Bus | Automotive Telematics

@wataakal

BS6 CAN I recently helped a client extract and decode CAN bus data from commercial vehicles, enhancing their telematics capabilities. I can do the same for your BS6 trucks, ensuring we identify available CAN interfaces and decode meaningful vehicle parameters. With hands-on experience in automotive embedded systems and CAN reverse engineering, I’ll guide you through the physical connection, capture raw CAN frames, and develop a comprehensive mapping of CAN IDs and messages. My approach includes establishing a repeatable methodology for data collection across multiple truck models. I have a solid background with J1939 and have successfully worked on similar projects using tools like Vector CAN and Python for data processing. With 75+ 5-star reviews and a top 1% ranking among 75 million users, you can trust my expertise to deliver results. If you're ready to transform your CAN data collection process, I’d be excited to collaborate. Regards, Wataaka

@rupinvachhani123

BS6 CAN I am an experienced Automotive Embedded Systems / CAN Bus Engineer with hands-on experience in vehicle electronics, ECU communication, embedded systems, DAQ and automotive test-bench development. I can support your BS6 truck CAN data acquisition and analysis, including: CAN interface and vehicle-side connection CAN configuration and raw frame capture CAN ID and message analysis J1939 / OBD-II / UDS identification where applicable CAN data decoding and reverse engineering Vehicle parameter extraction such as RPM, speed, throttle, temperature, fuel, voltage, DTCs and other available signals Python/C/C++ tools for CAN logging and processing CAN trace analysis and decoded parameter documentation Telematics integration support My approach is practical and data-driven: Truck CAN → Raw Frames → CAN Analysis → Decoding → Vehicle Parameters → Telematics. I can document decoded signals with CAN ID, byte/bit position, length, scaling, offset and unit wherever the available CAN data supports it. I can start with a PoC on one truck and build the workflow so it can be extended to additional vehicles. I can provide regular progress updates, source code and technical documentation.

@BalajiLaksh

BS6 CAN I have 12+ years of experience in automotive diagnostics, ECU validation and automotive network testing across passenger cars, trucks and buses. My experience includes CAN/CAN FD network analysis, DBC and signal analysis, CANalyzer, UDS diagnostics, ECU communication, diagnostic log analysis, DTC validation, test-case development and Python-based automation. I also have experience with MAN Trucks & Buses, including working with SPNs and truck diagnostic/network data. I can support CAN trace analysis, CAN ID and signal investigation, DBC/message mapping, SPN and diagnostic data analysis, and Python-based processing of CAN data. For the initial proof of concept, I can work remotely with your team to support the CAN data capture and analysis process, followed by CAN ID/message mapping and documentation of the identified vehicle parameters. Please share the truck model/variant, available CAN interface and any existing CAN logs, DBCs or vehicle documentation available. Although I am new to freelancing platforms, I bring extensive hands-on automotive project experience and am confident I can contribute effectively to this proof of concept. I am keen to build a long-term working relationship if the initial project is successful.

@Thulasiram0802

Hello, I am Thulasiram, an **Automotive System Testing professional with 5 years of experience** in the IT and Automotive domain. I am interested in working on your project and believe my experience matches the requirements of automotive testing and validation projects. I have hands-on experience in **ECU and vehicle testing, UDS diagnostics, test case preparation and execution, test specification development, requirement analysis, defect reporting, and test result analysis**. I also have experience/knowledge in **MATLAB/Simulink, ADAS, CAN, CANoe/CANalyzer, and automotive system validation**. I can independently handle assigned testing activities, prepare detailed test documentation, execute test scenarios, identify and report issues, perform regression testing, and provide clear testing reports. I am available for **remote freelance, contract, part-time, or long-term projects** and can adapt to your project requirements and working process. I am committed to delivering quality work within the agreed timeline. My proposed rate is **$25 USD/hour**, and I am open to discussing the rate depending on the project scope and duration. I would be happy to discuss your requirements and demonstrate how my automotive testing experience can support your project. Thank you for considering my proposal. Best regards, **Thulasiram**

@MovetoRobotics

Hi, BS6 CAN: I work in automotive embedded. Most BS6 trucks expose SAE J1939 on the diagnostic connector, so a good part of your list comes from standard messages (engine RPM, for example, is in EEC1, PGN 61444). The harder part is that some OEMs put signals like gear, PTO or brake in proprietary frames. I find those with controlled tests while logging: press the brake, shift gear, engage PTO, and see which bytes change. Plan: 1. Adapter recommendation and a wiring guide for your truck's connector. I join a video call while your technician connects it. 2. Raw trace files + a Python script that captures and decodes live 3. DBC file + parameter table (ID, byte position, scale, offset, unit) for all 11 parameters 4. Documentation so you can repeat it on other trucks Which make/model are the trucks (Tata, Ashok Leyland, Eicher, BharatBenz)?