What Is A 16-Pin ISO 9141-2 OBD2 Connector & How To Use It?

The 16-pin ISO 9141-2 OBD2 connector is a standardized interface crucial for vehicle diagnostics. At OBD2-SCANNER.EDU.VN, we provide comprehensive information and services to help you effectively use this connector for diagnosing and repairing your vehicle. Leverage our expertise to understand and troubleshoot your car issues efficiently.

1. What is a 16-Pin ISO 9141-2 OBD2 Connector?

A 16-pin ISO 9141-2 OBD2 connector is a standardized interface used in vehicles for diagnostics and communication. This connector, typically found within reach of the driver’s seat, allows technicians and vehicle owners to access the car’s onboard computer to read diagnostic trouble codes (DTCs), monitor performance parameters, and perform various tests. The “ISO 9141-2” refers to a specific communication protocol used in some vehicles, while “OBD2” (On-Board Diagnostics, version 2) is the broader standard for vehicle diagnostics in the United States and many other countries.

The 16-pin OBD2 connector is a standardized diagnostic tool interface with specific pin assignments. Below is a table outlining the standard pin configuration:

Pin	Wire Color	Description
2	(J1850 Bus+)	SAE J1850 PWM and VPW
4	Black	Chassis Ground
5	Brown	Signal Ground
6	Can High	CAN High (ISO 15765-4 and SAE J2284)
7	K-Line	ISO 9141-2 K Line
10	(J1850 Bus-)	SAE J1850 PWM and VPW
14	Can Low	CAN Low (ISO 15765-4 and SAE J2284)
15	L-Line	ISO 9141-2 L Line
16	Red	Battery Voltage

This connector is essential for modern automotive diagnostics, as it allows for seamless communication between diagnostic tools and the vehicle’s electronic control units (ECUs), as noted in research from the Society of Automotive Engineers (SAE).

1.1. Historical Context and Evolution of OBD Systems

The evolution of On-Board Diagnostics (OBD) systems can be traced back to the late 1960s, driven by increasing concerns about air pollution and the need for better vehicle emission control.

• OBD-I (Early 1980s): The earliest versions of OBD, known as OBD-I, were primarily used in California. These systems were not standardized, meaning each car manufacturer used their own diagnostic connectors, protocols, and trouble codes. According to a report by the California Air Resources Board (CARB), OBD-I systems primarily focused on monitoring emissions-related components.
• OBD 1.5 (Mid-1990s): As a transitional phase, some manufacturers implemented intermediate systems referred to as OBD 1.5. These systems incorporated some of the features of OBD-II but were still not fully compliant with the OBD-II standards.
• OBD-II (1996): The widespread adoption of OBD-II in 1996 marked a significant milestone. Mandated in the United States by the Clean Air Act Amendments of 1990, OBD-II provided a standardized system for monitoring and diagnosing vehicle emissions and performance. Key improvements included a standardized 16-pin diagnostic connector, a universal set of diagnostic trouble codes (DTCs), and the ability to access a wide range of vehicle data parameters. A study by the Environmental Protection Agency (EPA) highlighted that OBD-II enhanced the accuracy and reliability of vehicle diagnostics.

Alt: Male OBD II connector Type A for secure OBD housing.

1.2. Key Features and Specifications

The 16-pin ISO 9141-2 OBD2 connector has several defining features and specifications. These connectors are designed to provide a standardized interface for vehicle diagnostics, ensuring compatibility across different makes and models.

• Standardized Pinout: The connector features a specific arrangement of 16 pins, each assigned to carry particular signals and data. This standardization ensures that diagnostic tools can reliably interface with the vehicle’s onboard computer system.
• Voltage Requirements: The connector typically operates on a 12V power supply, which is standard for most vehicles. Pin 16 provides the battery voltage, while pins 4 and 5 are for grounding.
• Data Protocols: The ISO 9141-2 standard defines one of the communication protocols used by the OBD2 system. This protocol is a serial communication interface that enables data exchange between the diagnostic tool and the vehicle’s electronic control units (ECUs). Other common protocols include SAE J1850 PWM, SAE J1850 VPW, ISO 15765-4 CAN, and SAE J2284.
• Diagnostic Capabilities: The OBD2 connector supports a wide range of diagnostic functions, including reading diagnostic trouble codes (DTCs), monitoring live data parameters (such as engine speed, temperature, and fuel consumption), performing component tests, and resetting the check engine light.
• Durability: OBD2 connectors are designed to withstand the harsh automotive environment, including exposure to temperature extremes, vibration, and humidity. High-quality connectors are made from durable materials that ensure reliable performance over an extended period.

1.3. Common Applications in Automotive Diagnostics

The 16-pin ISO 9141-2 OBD2 connector is used in various automotive diagnostic applications, facilitating efficient troubleshooting and maintenance. Some common applications include:

• Reading Diagnostic Trouble Codes (DTCs): This is one of the most basic functions. When a vehicle’s onboard computer detects a problem, it stores a DTC, which can be retrieved using an OBD2 scanner.
• Monitoring Live Data: Technicians and vehicle owners can use an OBD2 scanner to monitor real-time data from various sensors and systems in the vehicle. This includes parameters such as engine speed (RPM), coolant temperature, oxygen sensor readings, and fuel trim values.
• Performing Component Tests: OBD2 scanners can also be used to perform specific component tests to verify their functionality. For example, a technician might use a scanner to activate the fuel pump or cycle the air conditioning compressor to check its operation.
• Resetting the Check Engine Light: After addressing the underlying issue that triggered a DTC, an OBD2 scanner can be used to reset the check engine light. This clears the stored DTCs and turns off the warning light on the dashboard.
• Vehicle Inspections: In many regions, OBD2 scanners are used to perform vehicle inspections to ensure compliance with emissions standards.

2. How Does the 16-Pin ISO 9141-2 OBD2 Connector Work?

The 16-pin ISO 9141-2 OBD2 connector facilitates communication between a vehicle’s onboard computer and diagnostic tools. It works by providing a standardized physical and communication interface.

2.1. Pin Configuration and Signal Assignments

Each of the 16 pins in the OBD2 connector is assigned a specific function. The pin configuration is standardized to ensure compatibility across different vehicle makes and models. Here’s a general overview of common pin assignments:

• Pin 2: J1850 Bus+: Used for SAE J1850 PWM and VPW communication protocols.
• Pin 4: Chassis Ground: Provides a ground connection to the vehicle’s chassis.
• Pin 5: Signal Ground: Provides a ground reference for the diagnostic signals.
• Pin 6: CAN High: Used for CAN (Controller Area Network) communication, specifically the high signal line.
• Pin 7: K-Line: Used for ISO 9141-2 communication.
• Pin 10: J1850 Bus-: Used for SAE J1850 PWM and VPW communication protocols.
• Pin 14: CAN Low: Used for CAN communication, specifically the low signal line.
• Pin 15: L-Line: Used for ISO 9141-2 communication.
• Pin 16: Battery Power: Provides power to the diagnostic tool from the vehicle’s battery.

Alt: Female OBD II connector Type A perfect for OBD housing.

2.2. Communication Protocols Supported

The 16-pin OBD2 connector supports several communication protocols, each with its own specifications for data transmission. The main protocols include:

• ISO 9141-2: This is an international standard for diagnostic systems, primarily used in European and Asian vehicles. It uses an asynchronous serial communication protocol with a K-line for data transmission.
• SAE J1850 PWM (Pulse Width Modulation): This protocol was commonly used by Ford vehicles. It uses a variable pulse width to represent data.
• SAE J1850 VPW (Variable Pulse Width): This protocol was commonly used by General Motors vehicles. It also uses pulse width modulation but with a different signaling scheme than J1850 PWM.
• ISO 15765-4 CAN (Controller Area Network): This protocol is used in most modern vehicles. CAN is a robust and high-speed communication protocol that allows multiple ECUs to communicate with each other.
• SAE J2534: Pass-Thru is a standard that allows reprogramming of ECUs using a standard interface.

2.3. How Diagnostic Tools Interface with the Connector

Diagnostic tools, such as OBD2 scanners, connect to the vehicle’s OBD2 connector to retrieve and transmit data. The process involves the following steps:

1. Physical Connection: The diagnostic tool is physically connected to the OBD2 connector using a cable.
2. Protocol Detection: The diagnostic tool attempts to detect the communication protocol used by the vehicle. This is typically done automatically by trying each of the standard protocols until a successful connection is established.
3. Data Request: Once the protocol is identified, the diagnostic tool sends a request to the vehicle’s ECU for specific data, such as diagnostic trouble codes (DTCs), live data parameters, or component test results.
4. Data Transmission: The vehicle’s ECU responds to the request by transmitting the requested data back to the diagnostic tool.
5. Data Interpretation: The diagnostic tool interprets the data and displays it to the user in a readable format. For example, DTCs are displayed with their corresponding descriptions, and live data parameters are shown as numerical values with appropriate units.

2.4. Reading and Interpreting Diagnostic Trouble Codes (DTCs)

Diagnostic Trouble Codes (DTCs) are codes stored in the vehicle’s onboard computer when a problem is detected. Reading and interpreting DTCs is a crucial part of automotive diagnostics. The process generally involves the following steps:

1. Connect the Diagnostic Tool: Connect an OBD2 scanner to the vehicle’s OBD2 connector.
2. Power On and Identify Vehicle: Turn on the ignition and allow the diagnostic tool to power up and identify the vehicle’s make, model, and year.
3. Read DTCs: Use the diagnostic tool to request the DTCs from the vehicle’s ECU. The tool will display any stored codes.
4. Record the Codes: Write down each DTC and its corresponding description.
5. Research the Codes: Use a reliable source of information to research the meaning of each DTC.
6. Interpret the Codes: Based on the research, determine the potential causes of the problem indicated by each DTC.
7. Verify the Problem: Perform additional tests to verify the problem.
8. Repair the Problem: Once the problem has been verified, take steps to repair it.
9. Clear the Codes: After repairing the problem, use the diagnostic tool to clear the DTCs and reset the check engine light.
10. Verify the Repair: After clearing the codes, take the vehicle for a test drive to ensure that the problem has been resolved.

3. Benefits of Using a 16-Pin ISO 9141-2 OBD2 Connector

Using a 16-pin ISO 9141-2 OBD2 connector provides numerous benefits for vehicle diagnostics and maintenance.

3.1. Standardized Diagnostic Interface

The standardization of the OBD2 connector ensures compatibility across various vehicle makes and models, simplifying the diagnostic process. This standardization allows technicians to use a single diagnostic tool for multiple vehicles, reducing the need for specialized equipment.

3.2. Accurate and Reliable Data Access

The OBD2 connector provides access to a wealth of data from the vehicle’s onboard computer, including diagnostic trouble codes (DTCs), live data parameters, and component test results. This data is accurate and reliable, allowing technicians to quickly identify and diagnose problems.

3.3. Improved Diagnostic Efficiency

The OBD2 connector significantly improves diagnostic efficiency by providing a standardized interface for accessing vehicle data. This allows technicians to quickly retrieve and interpret diagnostic information, reducing the time required to diagnose and repair problems.

3.4. Cost Savings on Vehicle Maintenance

By providing accurate and reliable diagnostic information, the OBD2 connector can help vehicle owners save money on maintenance costs. Early detection and repair of problems can prevent more extensive and expensive repairs down the road.

3.5. Enhanced Vehicle Performance and Longevity

Regular use of the OBD2 connector for vehicle diagnostics and maintenance can help improve vehicle performance and longevity. By identifying and addressing problems early, vehicle owners can keep their vehicles running smoothly and extend their lifespan.

4. Common Issues and Troubleshooting Tips

While the 16-pin ISO 9141-2 OBD2 connector is a reliable interface, users may encounter some common issues.

4.1. Connector Damage and Wear

The OBD2 connector is subject to wear and tear over time, especially with frequent use. Physical damage, such as bent or broken pins, can prevent proper communication between the diagnostic tool and the vehicle.

• Troubleshooting Tip: Inspect the connector regularly for any signs of damage. If you notice bent or broken pins, use a small tool to carefully straighten them or replace the connector if necessary.

4.2. Communication Errors

Communication errors can occur between the diagnostic tool and the vehicle’s onboard computer, preventing the retrieval of diagnostic information. These errors can be caused by various factors, such as incorrect protocol selection, wiring problems, or faulty ECUs.

• Troubleshooting Tip: Ensure that the diagnostic tool is configured to use the correct communication protocol for the vehicle. Check the wiring between the OBD2 connector and the vehicle’s ECU for any shorts, opens, or corrosion. If the problem persists, there may be an issue with the vehicle’s ECU.

4.3. Incorrect Data Readings

In some cases, the data readings from the OBD2 connector may be incorrect or unreliable. This can be caused by faulty sensors, wiring problems, or issues with the vehicle’s ECU.

• Troubleshooting Tip: Verify the accuracy of the data readings by comparing them to other sources of information, such as the vehicle’s service manual or known good values. Check the sensors and wiring associated with the data being read for any signs of damage or malfunction.

4.4. Compatibility Issues with Diagnostic Tools

Not all diagnostic tools are compatible with all vehicles. Compatibility issues can arise due to differences in communication protocols, vehicle makes and models, or software versions.

• Troubleshooting Tip: Check the compatibility of the diagnostic tool with the vehicle before attempting to use it. Consult the tool’s user manual or the manufacturer’s website for compatibility information.

4.5. Power Supply Problems

The OBD2 connector requires a stable power supply to function correctly. Power supply problems, such as low voltage or intermittent power, can prevent the diagnostic tool from communicating with the vehicle.

• Troubleshooting Tip: Check the voltage at pin 16 of the OBD2 connector using a multimeter. The voltage should be close to the vehicle’s battery voltage (typically 12V). If the voltage is low or unstable, there may be a problem with the vehicle’s electrical system.

5. Choosing the Right OBD2 Scanner

Selecting the right OBD2 scanner is crucial for effective vehicle diagnostics. With a wide range of options available, it’s important to consider several factors.

5.1. Types of OBD2 Scanners Available

OBD2 scanners come in various types, each designed to meet different needs and budgets. Here are some common types:

• Basic Code Readers: These scanners are designed for basic tasks, such as reading and clearing diagnostic trouble codes (DTCs). They typically have a simple display and limited features.
• Enhanced Code Readers: These scanners offer more advanced features, such as the ability to view live data parameters, perform component tests, and access enhanced diagnostic information.
• Professional Scan Tools: These scanners are designed for professional technicians and offer a wide range of advanced features, such as bidirectional control, advanced diagnostics, and vehicle-specific functions.
• Smartphone-Based Scanners: These scanners consist of a Bluetooth or Wi-Fi adapter that plugs into the OBD2 connector and communicates with a smartphone app.

5.2. Key Features to Consider

When choosing an OBD2 scanner, consider the following key features:

• Compatibility: Ensure that the scanner is compatible with your vehicle’s make, model, and year.
• Features: Determine which features are important for your needs.
• Ease of Use: Choose a scanner that is easy to use, with a clear display and intuitive interface.
• Durability: Select a scanner that is durable and can withstand the harsh automotive environment.
• Price: Set a budget and choose a scanner that offers the best value for your money.

Alt: Complete OBD II diagnostic plug OBD2 16-pin connector with contacts.

5.3. Top OBD2 Scanner Brands and Models

Several reputable brands offer high-quality OBD2 scanners. Here are some of the top brands and models:

• Autel: Autel offers a wide range of OBD2 scanners, from basic code readers to advanced professional scan tools.
• Launch: Launch is a popular brand among professional technicians, known for its advanced diagnostic capabilities and vehicle-specific functions.
• Innova: Innova scanners are known for their ease of use and reliability, making them a popular choice for DIY mechanics.
• BlueDriver: BlueDriver offers a smartphone-based scanner that provides a wide range of features and capabilities.
• ScanGauge: ScanGauge offers a compact and versatile scanner that can display a variety of live data parameters.

5.4. Budget Considerations

The price of OBD2 scanners can vary widely, depending on the features and capabilities offered. Basic code readers can be found for as little as $20, while advanced professional scan tools can cost several thousand dollars.

• Budget Tip: Determine your needs and set a budget before you start shopping.

6. Step-by-Step Guide to Using an OBD2 Scanner

Using an OBD2 scanner is straightforward, but it’s important to follow the correct steps to ensure accurate and reliable results.

6.1. Preparing for the Scan

Before connecting the OBD2 scanner, take the following steps:

1. Locate the OBD2 Connector: The OBD2 connector is typically located under the dashboard, within reach of the driver’s seat.
2. Turn Off the Ignition: Turn off the vehicle’s ignition to prevent any electrical interference during the scan.
3. Gather Information: Collect any relevant information about the vehicle, such as the make, model, year, and engine type.

6.2. Connecting the Scanner to the OBD2 Port

1. Plug in the Scanner: Insert the OBD2 scanner’s connector into the vehicle’s OBD2 port.
2. Ensure a Secure Connection: Make sure the connector is fully seated and securely connected.
3. Turn On the Ignition: Turn the vehicle’s ignition to the “on” position, but do not start the engine.

6.3. Reading Diagnostic Trouble Codes (DTCs)

1. Power On the Scanner: Turn on the OBD2 scanner and wait for it to power up and identify the vehicle.
2. Select “Read Codes”: Navigate to the “Read Codes” or “Diagnostic Codes” option in the scanner’s menu.
3. View the Codes: The scanner will display any stored diagnostic trouble codes (DTCs).
4. Record the Codes: Write down each DTC and its corresponding description.

6.4. Interpreting the Codes and Finding Solutions

1. Research the Codes: Use a reliable source of information, such as a repair manual or online database, to research the meaning of each DTC.
2. Determine Potential Causes: Based on the research, identify the potential causes of the problem indicated by each DTC.
3. Verify the Problem: Perform additional tests to verify the problem.
4. Repair the Problem: Once the problem has been verified, take steps to repair it.

6.5. Clearing the Codes

1. Select “Clear Codes”: Navigate to the “Clear Codes” or “Erase Codes” option in the scanner’s menu.
2. Confirm the Clearing: Follow the scanner’s prompts to confirm that you want to clear the codes.
3. Verify the Clearing: After clearing the codes, start the engine and check to see if the check engine light comes back on.

7. Advanced Diagnostic Techniques Using OBD2

Beyond reading and clearing codes, the 16-pin ISO 9141-2 OBD2 connector can be used for advanced diagnostic techniques.

7.1. Monitoring Live Data Streams

OBD2 scanners can be used to monitor live data streams from various sensors and systems in the vehicle. This data can be used to diagnose a wide range of problems.

• Engine Performance: Monitor parameters such as engine speed (RPM), manifold absolute pressure (MAP), and oxygen sensor readings to diagnose engine performance issues.
• Fuel System: Monitor parameters such as fuel trim values, fuel pressure, and injector pulse width to diagnose fuel system problems.
• Emissions System: Monitor parameters such as oxygen sensor readings, catalytic converter temperature, and evaporative emissions (EVAP) system pressures to diagnose emissions system issues.

7.2. Performing Component Tests

OBD2 scanners can also be used to perform specific component tests to verify their functionality.

• Fuel Pump Test: Activate the fuel pump to check its operation.
• EGR Valve Test: Cycle the EGR valve to check its operation.
• Oxygen Sensor Test: Monitor the oxygen sensor readings to check its response to changes in the air-fuel mixture.

7.3. Using Freeze Frame Data

Freeze frame data is a snapshot of the vehicle’s operating conditions at the time a diagnostic trouble code (DTC) was stored. This data can be used to help diagnose intermittent problems.

• Analyze the Data: Analyze the freeze frame data to identify any unusual or out-of-range values.
• Identify the Problem: Use the data to help narrow down the potential causes of the problem.
• Verify the Problem: Perform additional tests to verify the problem under the conditions recorded in the freeze frame data.

7.4. Advanced Parameter Identification (PID)

Advanced Parameter Identification (PID) is a more detailed method of extracting specific data points from the vehicle’s computer system for in-depth analysis.

• Accessing Specific Data: Use the OBD2 scanner to access specific PIDs related to the system or component you are diagnosing.
• Cross-Referencing Data: Compare the PID values with known good values or specifications to identify any discrepancies.
• Interpreting Results: Interpret the results to determine the potential causes of the problem.

7.5. Bi-Directional Control

Some advanced OBD2 scanners offer bi-directional control, allowing technicians to send commands to the vehicle’s computer system to activate or deactivate specific components.

• Activating Components: Use the scanner to activate components such as the fuel pump, EGR valve, or cooling fan.
• Monitoring Response: Monitor the component’s response to the command to verify its functionality.
• Diagnosing Problems: Use the bi-directional control to diagnose problems by isolating specific components or systems.

8. Maintaining and Upgrading Your OBD2 System

To ensure reliable performance and longevity, it’s important to properly maintain and upgrade your OBD2 system.

8.1. Regular Connector Inspection and Cleaning

Regularly inspect the OBD2 connector for any signs of damage or corrosion. Clean the connector with a contact cleaner to remove any dirt or debris.

8.2. Software and Firmware Updates for Scanners

Keep your OBD2 scanner’s software and firmware up to date to ensure compatibility with the latest vehicles and access to the latest features and diagnostic information.

8.3. Upgrading Your Scanner for Advanced Features

As your diagnostic needs evolve, consider upgrading your OBD2 scanner to a model with more advanced features and capabilities.

8.4. Proper Storage and Handling of Diagnostic Tools

Store your OBD2 scanner in a safe and dry place to prevent damage. Handle the scanner with care to avoid dropping or damaging it.

8.5. Understanding Evolving OBD Standards

Stay informed about the evolving OBD standards to ensure that your diagnostic tools and techniques are up to date.

9. The Future of OBD Technology

OBD technology continues to evolve, with new features and capabilities being developed to meet the demands of modern vehicles.

9.1. Integration with Telematics and IoT

OBD technology is increasingly being integrated with telematics and IoT (Internet of Things) devices, enabling remote vehicle monitoring and diagnostics.

9.2. Enhanced Data Analysis and Predictive Maintenance

Advanced data analytics techniques are being used to analyze OBD data and predict potential problems before they occur, enabling proactive maintenance.

9.3. Cybersecurity Considerations

As OBD systems become more connected, cybersecurity becomes an increasingly important consideration. Measures are being taken to protect OBD systems from unauthorized access and cyberattacks.

9.4. Impact of Electric Vehicles (EVs) on OBD

The rise of electric vehicles (EVs) is driving changes in OBD technology, with new diagnostic parameters and techniques being developed to monitor and diagnose EV-specific components and systems.

9.5. Regulatory Changes and Compliance

Regulatory changes and compliance requirements continue to shape the development of OBD technology, with new standards being implemented to ensure effective emissions control and vehicle safety.

10. Frequently Asked Questions (FAQs) About 16-Pin ISO 9141-2 OBD2 Connectors

10.1. What is the purpose of the 16-pin OBD2 connector?

The 16-pin OBD2 connector serves as a standardized interface for accessing a vehicle’s onboard computer system, enabling technicians and vehicle owners to read diagnostic trouble codes, monitor live data parameters, and perform component tests.

10.2. Where is the OBD2 port located in my car?

The OBD2 port is typically located under the dashboard, within reach of the driver’s seat.

10.3. What types of vehicles are compatible with OBD2?

All cars and light trucks sold in the United States since 1996 are required to be OBD2-compliant.

10.4. Can I use any OBD2 scanner with my car?

While OBD2 is a standardized system, not all scanners are compatible with all vehicles. Check the scanner’s compatibility information before using it.

10.5. What do the different pins on the OBD2 connector do?

Each of the 16 pins on the OBD2 connector is assigned a specific function. Some pins are used for power and ground, while others are used for data transmission.

10.6. What are diagnostic trouble codes (DTCs)?

Diagnostic Trouble Codes (DTCs) are codes stored in the vehicle’s onboard computer when a problem is detected. These codes can be read using an OBD2 scanner to help diagnose the problem.

10.7. How do I clear DTCs using an OBD2 scanner?

To clear DTCs, connect an OBD2 scanner to the vehicle’s OBD2 port, navigate to the “Clear Codes” or “Erase Codes” option in the scanner’s menu, and follow the prompts.

10.8. What is live data and how can it help with diagnostics?

Live data refers to real-time data streams from various sensors and systems in the vehicle.

10.9. Can OBD2 scanners be used for advanced diagnostics?

Yes, advanced OBD2 scanners can be used for advanced diagnostics, such as monitoring live data streams, performing component tests, and using freeze frame data.

10.10. Are there any safety precautions I should take when using an OBD2 scanner?

Always follow the manufacturer’s instructions when using an OBD2 scanner.

The 16-pin ISO 9141-2 OBD2 connector is a valuable tool for diagnosing and maintaining modern vehicles. By understanding how it works, addressing common issues, and using it effectively, vehicle owners and technicians can improve diagnostic efficiency, save money on maintenance costs, and enhance vehicle performance and longevity.

Ready to take control of your vehicle’s health? Contact OBD2-SCANNER.EDU.VN today for expert advice on using OBD2 scanners and our top-notch car repair services. We’re here to help you understand your car better and keep it running smoothly. Call us at +1 (641) 206-8880, visit our website at OBD2-SCANNER.EDU.VN, or stop by our location at 123 Main Street, Los Angeles, CA 90001, United States. Let’s work together to keep your vehicle in peak condition Diagnostic interface, auto repair, vehicle maintenance.