1. Introduction
The MUCAR VO7S is a professional, all-in-one automotive diagnostic scan tool designed to provide comprehensive vehicle diagnostics. It features OE-level full system diagnostics, bi-directional control (active tests), advanced ECU coding, and over 28 reset and maintenance services. This device is built for efficiency, accuracy, and ease of use, catering to both professional technicians and advanced DIY users.
Note: The MUCAR VO7S supports the CAN FD protocol, which is essential for diagnosing newer vehicles, particularly GM models manufactured after 2020. The MUCAR VO7 model does not support CAN FD, but other functions are similar.

2. What's in the Box
Upon unboxing your MUCAR VO7S, you should find the following components:
- MUCAR VO7S Diagnostic Tablet
- OBD Connector (VCI Dongle)
- 3-in-1 Adapter
- Power Adapters (European, American, British standards)
- Type-C Cable
- User Manual (Quick Start Manual)
- Carrying Case

3. Setup Guide
3.1 Device Overview
- Display: 7-inch Touchscreen
- Rear Camera: 8 Megapixel
- Ports: USB Port, Type-C Interface
- Power Button: Located on the side.
- OBD II Bluetooth Connector: Detachable for wireless diagnosis.

3.2 Initial Power-Up and Connection
- Charge the Device: Connect the MUCAR VO7S to a power source using the provided Type-C cable and appropriate power adapter (European, American, or British standard). Ensure the device is fully charged before first use.
- Power On: Press and hold the Power Button located on the side of the device until the screen illuminates.
- Connect OBD Connector: Locate your vehicle's OBD-II port (usually under the dashboard on the driver's side). Plug the OBD Connector (VCI Dongle) into the vehicle's OBD-II port. Ensure a secure connection.
- Establish Wireless Connection: The MUCAR VO7S uses Bluetooth V4.0 for wireless communication with the OBD Connector. The device should automatically detect and connect to the VCI dongle.
- Wi-Fi Connection: Connect the device to a stable Wi-Fi network to enable software updates and access online resources.
4. Operating Instructions
4.1 OE-Level Full System Diagnostics
The Diagnostics application allows you to link to the electronic control system of the test vehicle for comprehensive diagnosis. It performs functional tests and retrieves diagnostic information such as trouble codes, event codes, and live data for various vehicle control systems.
- Read Codes: Displays extensive current, pending, and permanent diagnostic trouble codes (DTCs) from all accessible systems.
- Clear Codes: Erases detected fault codes and turns off the Check Engine Light.
- Live Data: Views graphical live data streams of the vehicle's computer module(s) for easy analysis. Supports 4-in-1 live data graphing.
- Freeze Frame: Displays the vehicle's operating parameters at the moment a DTC is detected.
- Module Info: Retrieves detailed ECU information.
- Active Tests: Performs bi-directional control tests (see section 4.3).

4.2 ECU Coding
ECU Coding allows you to re-flash vehicle control modules, reprogram adaptive data after repairs or replacements, and unlock hidden functions. This function can address issues related to drivability, fuel efficiency, power loss, and more.
- ECU Replacement: Reprograms adaptive data for vehicle control modules after replacing parts.
- Personalization: Unlocks hidden features and deactivates annoying functions (e.g., changing chimes, customizing daytime running lights).
- Adaptation, Matching, Initialization: Performs matching, relearning, calibration, or initialization of adaptive data for certain components.
- Refresh/Reflash Hidden Functions: Activates advanced functions and modifies default settings.
- Recode Changed Modules: Recodes modules after changes.
- Programmable Module Installation (PMI): For Ford/Lincoln/Mazda, allows copying data from an original module to a new unit.
Note: ECU Coding is not universally compatible with all vehicles. Please verify compatibility for specific functions with your vehicle's VIN, year, and model.

4.3 Bi-Directional Control (Active Tests)
This feature enables two-way communication between the scanner and car systems, allowing you to send commands to the ECU to drive actuators and test their operating status. This helps in accurately locating faulty parts.
- Examples of Active Tests: Evap Tests, Purge Solenoid, Fuel Injector Test, Cycling A/C Clutch Relay, Cycling ABS Motor Pump, Cooling Fan Test, Headlamp Test, Sunroof operation, Mirror operation, Window control, Sound horn activation, Radiator fan activation, Door lock actuators test, A/C Compressor Activation, Throttle modulation, Compression Test, Fuel pump activation, etc.

4.4 28+ Reset Services
The MUCAR VO7S offers a wide range of maintenance and reset services to keep your car running optimally. These services are lifetime free updates.
- Oil Reset: Resets the oil life system after an oil change.
- Elec. Throttle Adaption: Initializes the throttle actuator to its default state.
- Steering Angle Reset: Calibrates the steering angle sensor.
- Battery Matching (BMS Reset): Registers new batteries and clears low battery fault information.
- ABS Bleeding: Bleeds the brake system to restore ABS brake sensitivity.
- Brake-pad Reset: Resets the brake pad system after replacement.
- DPF Regeneration: Clears particulate matter from the DPF filter.
- Gear Learning: Performs gear learning after ECU, crankshaft sensor, or flywheel replacement.
- IMMO Service (Key Programming): Matches new keys and disables lost ones.
- Injector Coding: Writes or rewrites injector codes in the ECU.
- TPMS Reset: Displays sensor IDs, inputs new IDs, and tests sensors (requires wireless TPMS tool).
- Suspension Matching: Adjusts body height for level calibration.
- AFS Reset: Initializes the adaptive headlamp system.
- A/T Learning: Completes gearbox self-learning to improve shifting quality.
- Sunroof Initialization: Sets sunroof functions like lock-off, rain-closing, and memory.
- EGR Adaption: Learns the EGR valve after cleaning or replacement.
- ODO Reset: Copies, writes, or rewrites odometer values.
- Airbag Reset: Resets airbag data to clear collision fault indicators.
- Transport Mode: Deactivates transport mode to restore full vehicle functionality.
- A/F Reset: Sets or learns Air/Fuel ratio parameters.
- Stop/Start Reset: Activates or deactivates the automatic start-stop function.
- NOx Sensor Reset: Resets the NOx catalytic converter learned value.
- AdBlue Reset: Required after replacing or filling diesel exhaust treatment fluid.
- Seat Calibration: Matches seats with memory function after replacement/repair.
- Coolant Bleeding: Activates the electronic water pump for cooling system venting.
- Tyre Reset: Sets size parameters for modified or replaced tires.
- Windows Calibration: Performs door window matching to recover ECU initial memory.
- Language Change: Changes the system language of the vehicle central control panel.

4.5 Full OBD2 Functions
The MUCAR VO7S provides all 10 OBD2 modes for quick and efficient emission-related diagnostics.
- Read Codes: Retrieves generic (P0, P2, P3, and U0) and manufacturer specific (P1, P3, and U1) codes.
- Clear Codes: Clears Diagnostic Trouble Codes (DTCs) and resets the Check Engine Light.
- Live Data: Displays real-time data stream from the vehicle's sensors.
- Freeze Frame: Shows engine conditions such as fuel trim, engine coolant temp, etc., at the time the Malfunction Indicator Lamp (MIL) was set.
- I/M Readiness: Checks the readiness of the emission monitoring systems.
- O2 Sensor Test: Retrieves O2 sensor monitor test results.
- On-Board Monitor Test: Retrieves results for emission-related powertrain components and systems.
- EVAP System Test: Initiates a leak test for the vehicle's EVAP system.
- Vehicle Information: Retrieves VIN, CIN, and CVN.
- DTC Lookup: Provides detailed descriptions of DTCs.

4.6 Auto VIN & Auto Scan
The device features VIN-based Auto VIN Technology to automatically identify vehicle information (Brand, Year, Make, Model) and Auto Scan for quick diagnostics by taking a photo of the car. This streamlines the diagnostic process.
4.7 4-in-1 Live Data Streams
The MUCAR VO7S can display up to four live data graphs simultaneously on one page, allowing for easy comparison and analysis of various parameters like fuel pressure, battery voltage, engine RPM, etc. Data can be exported as images, videos, CSV, or PDF files for long-term storage and sharing.

4.8 Health Report & Feedback
Generate comprehensive health reports with a single click, detailing in-depth inspections and calibrations. These reports can be shared via email, printed, or saved locally. The device also allows for online feedback submission for diagnostic problems, providing direct access to MUCAR's technical support for analysis and troubleshooting.
5. Maintenance
5.1 Software Updates
The MUCAR VO7S supports one-touch Wi-Fi updates for newly added functions, new car models, software optimization, and bug fixes. Regular updates ensure your tool remains compatible with the latest vehicles and diagnostic procedures.

5.2 Device Care
- Keep the device clean and free from dust and moisture.
- Store in the provided carrying case when not in use to protect against physical damage.
- Avoid extreme temperatures.
- The OBD connector is designed to be waterproof, oil-draining, and shock-proof.
6. Troubleshooting
6.1 Common Issues & Solutions
- Device not powering on: Ensure the device is fully charged. If connected to power, check the charging cable and adapter.
- Connection issues with vehicle: Verify the OBD connector is securely plugged into the vehicle's OBD-II port. Ensure the vehicle's ignition is on. Check Bluetooth connection between the tablet and the VCI dongle.
- Software update failures: Ensure a stable Wi-Fi connection. Restart the device and try updating again.
- Specific function not working: Some advanced functions like ECU Coding or IMMO Key Programming may not be universally compatible. Always check compatibility for your specific vehicle model and year.
6.2 Remote Technical Support
MUCAR offers one-on-one remote assistance. If you encounter persistent issues, you can utilize the remote tech support feature. This allows engineers to remotely access your device and help troubleshoot problems.
6.3 FCA SGW Access
For FCA vehicles (Chrysler, Dodge, Jeep, Alfa Romeo, Fiat) manufactured after 2019 with a Security Gateway Module (SGW), you may need to register an 'AutoAuth' account to perform full diagnostics and functions. The MUCAR VO7S provides the AutoAuth login portal. Note that the registration is a separate process and may involve an annual fee charged directly by AutoAuth.

7. Specifications
| Feature | Specification |
|---|---|
| Model Name | MUCAR VO7S |
| Operating System | Android 10.0 |
| CPU | 4-Core, 1.8GHz |
| Memory | 2GB RAM + 32GB ROM |
| Display | 7-inch Touchscreen (1280*800 TFT Screen) |
| Battery Capacity | 6000mAh |
| Connectivity | Bluetooth V4.0, Wi-Fi (2.4 & 5GHz dual) |
| Camera | 8 Megapixel Rear Camera |
| Supported Protocols | ISO 14230-4 (KWP2000), ISO 15765-4 (CAN), ISO 9141-2 (ISO), ISO 14229 (UDS), SAEJ 1850 (VPW&PWM), CAN FD |
| Item Weight | 1.77kg |
| Item Dimensions | 27.4cm (L) x 18.8cm (W) x 11.6cm (H) |
| Material | ABS/Metal |
| Certifications | CE, RoHS, FCC |
| Languages | English, French, German, Italian, Spanish, Portuguese, Japanese, Russian, Polish, Hungarian, Arabic, Greek, Slovak, Dutch, Korean, Swedish, Turkish, Czech, Chinese Traditional, Indonesian |

7.1 Vehicle Coverage
The MUCAR VO7S covers over 106 car brands and 10,000+ models from American, European, and Asian markets, manufactured from 1996 to 2024. This includes 12V cars, light-duty trucks, SUVs, hybrid vehicles, and minivans.

8. Warranty and Support
- Software Updates: Lifetime free updates for 28 reset services. OE-Level full system diagnostics, ECU Coding, and Active Test functions include 3 years of free updates. After 3 years, these functions will continue to work with the last updated version, but new updates require an annual renewal fee of $99 for all car brands.
- Technical Support: 7/24h technical support is available. Remote assistance can be provided for troubleshooting complex issues.
9. User Tips
- Check Compatibility: Before attempting advanced functions like ECU Coding or Key Programming, always verify compatibility with your specific vehicle model and year. Contact support with your VIN if unsure.
- PCM Replacement: If replacing a Powertrain Control Module (PCM), the ECU Coding function can be used to reprogram adaptive data to the new module, ensuring proper vehicle operation.
- Software Renewal: After the initial 3 years of free updates for advanced functions, you can continue using the last updated software version without renewal. However, to access new features, car models, and bug fixes, an annual renewal of $99 is required.
- FCA SGW: For 2019+ FCA vehicles, remember that an AutoAuth account registration may be necessary to access all diagnostic capabilities.





