VCDS Bulb Saver: The Ultimate Guide for Auto Repair

Vcds Bulb Saver is your solution for diagnosing and resolving bulb-related issues in modern vehicles, especially within the VAG (Volkswagen Audi Group). CARDIAGTECH.NET offers cutting-edge tools and expertise to help automotive technicians and enthusiasts tackle these challenges efficiently. Discover how advanced diagnostic equipment can streamline your repair processes, boost your workshop’s productivity, and ensure customer satisfaction.

1. Understanding the VCDS Bulb Saver Concept

The VCDS (VAG-COM Diagnostic System) bulb saver is a vital technique, and sometimes a device, used to prevent damage to a vehicle’s electronic control units (ECUs) when working with lighting systems. Modern cars have complex electronic systems that monitor bulb integrity. Incorrect bulb replacements or modifications can trigger error messages, damage the ECU, or even lead to complete system failure. A bulb saver acts as a buffer, protecting the vehicle’s sensitive electronics during bulb testing and replacement.

2. The Evolution of Bulb Error Detection Systems

Early vehicle models offered simpler methods for managing bulb diagnostics. These systems often included straightforward “Cold Bulb Diagnosis” options within the Central Electronics module, accessible via VCDS. Technicians could easily toggle these settings on or off to accommodate different bulb types, such as LEDs, without triggering false error codes.

However, newer VAG vehicles have implemented more sophisticated and sensitive bulb error detection systems. These advanced systems present several challenges:

Disappearing Configuration Options: Many of the easily accessible “Cold Bulb Diagnosis” settings have been removed from the VCDS interface.
Masked Byte Values: The “magic byte” 18, which previously allowed for some customization, is now often masked with “00,” obscuring its true value and making modifications risky.
Increased Sensitivity: Newer cars are more likely to detect even slight discrepancies in bulb resistance or current draw, leading to frequent and often spurious error messages.

These changes mean that traditional methods of bulb replacement and modification can be problematic, requiring more sophisticated solutions like the VCDS bulb saver to prevent issues.

3. Why You Need a VCDS Bulb Saver

Without a proper bulb saver or equivalent technique, you risk:

ECU Damage: Voltage spikes or incorrect current draws during bulb testing can harm the vehicle’s ECUs.
Error Codes: Incompatible bulbs, especially LEDs, can trigger persistent and annoying error messages.
System Instability: In some cases, incorrect bulb configurations can cause broader electrical system malfunctions.
Wasted Time: Troubleshooting and clearing error codes caused by bulb issues can be time-consuming and frustrating.

Investing in a VCDS bulb saver and understanding its application is crucial for any modern automotive technician.

4. Identifying the Need for a Bulb Saver

Here are several scenarios where using a VCDS bulb saver or a similar protective measure is essential:

LED Upgrades: When replacing halogen or incandescent bulbs with LEDs, which have different electrical characteristics.
Bulb Testing: When testing bulbs to diagnose lighting system problems.
Retrofitting: When adding new lighting components to a vehicle not originally equipped with them.
Coding Changes: When making changes to the vehicle’s coding that affect lighting behavior.
Working on Sensitive Vehicles: Especially newer VAG models with advanced bulb error detection systems.

By recognizing these situations, you can proactively protect the vehicle’s electronics and avoid potential problems.

5. VCDS Bulb Saver: Protecting Your Vehicle’s Electronics

A VCDS bulb saver functions by acting as an intermediary between the vehicle’s electrical system and the bulb being tested or installed. It typically incorporates several key features:

Current Limiting: Prevents excessive current from flowing to the bulb, which can damage the ECU.
Voltage Regulation: Ensures a stable voltage supply to the bulb, preventing voltage spikes.
Error Suppression: Masks or filters out error signals that might be triggered by non-standard bulbs.
Diagnostic Capabilities: Some advanced bulb savers also provide diagnostic information, such as bulb current draw and voltage.

By implementing these features, a VCDS bulb saver effectively shields the vehicle’s electronics from potential damage during bulb-related work.

6. Key Features to Look for in a VCDS Bulb Saver

When selecting a VCDS bulb saver, consider the following features:

Feature	Description	Benefit
Current Limiting	Prevents excessive current flow to the bulb.	Protects the ECU from damage due to overcurrent conditions.
Voltage Regulation	Stabilizes voltage supply to the bulb.	Prevents voltage spikes that can harm the ECU and ensures consistent bulb performance.
Error Suppression	Filters out error signals from non-standard bulbs.	Avoids false error messages and system instability.
Diagnostic Functions	Provides data like bulb current draw and voltage.	Aids in troubleshooting and identifying potential issues.
Compatibility	Ensures compatibility with a wide range of vehicle models and bulb types.	Versatility in handling various repair scenarios.
User-Friendliness	Simple interface and clear instructions.	Easy to use, even for technicians with limited experience.
Durability	Robust construction and high-quality components.	Long-lasting and reliable performance in a demanding workshop environment.
Safety Features	Overload protection, short-circuit protection, and thermal cutoff.	Prevents damage to the bulb saver itself and ensures safe operation.
Updateability	Ability to update firmware or software to support new vehicle models and bulb types.	Keeps the bulb saver current and compatible with the latest automotive technology.
Certifications	Compliance with relevant safety and performance standards (e.g., CE, RoHS).	Ensures the bulb saver meets industry quality and safety requirements.

Choosing a bulb saver with these features will provide reliable protection for your vehicle’s electronics and streamline your bulb-related repairs.

7. How to Use a VCDS Bulb Saver

Using a VCDS bulb saver is generally straightforward. Here’s a step-by-step guide:

Connect: Connect the bulb saver between the vehicle’s bulb socket and the bulb you want to test or install.
Configure: If the bulb saver has adjustable settings, configure it according to the bulb type and vehicle model.
Test/Install: Proceed with testing the bulb or installing it into the vehicle.
Monitor: Observe the bulb saver’s indicators (if any) for any signs of problems, such as overcurrent or voltage spikes.
Disconnect: Once the testing or installation is complete, disconnect the bulb saver.

Always refer to the bulb saver’s user manual for specific instructions and safety precautions.

8. Alternative Solutions to VCDS Bulb Savers

While a dedicated VCDS bulb saver is ideal, several alternative solutions can provide some level of protection:

Error-Free CAN-BUS LEDs: These LEDs are designed to mimic the electrical characteristics of traditional bulbs, minimizing the risk of error messages. However, their effectiveness can vary depending on the vehicle model and the LED quality.
Load Resistors: Connecting load resistors in parallel with LEDs increases the current draw, tricking the BCM (Body Control Module) into thinking a standard bulb is present. However, resistors generate heat and require careful mounting to avoid damaging surrounding components.
VCDS Coding: In some cases, you can use VCDS to adjust the vehicle’s coding to accommodate different bulb types. However, this requires advanced knowledge and carries the risk of unintended consequences if not done correctly.

Each of these alternatives has its own pros and cons, and the best choice depends on your specific needs and skill level.

9. Error-Free CAN-BUS LEDs: A Closer Look

Error-free CAN-BUS LEDs are designed to integrate seamlessly with a vehicle’s existing electrical system without triggering error messages. They achieve this by incorporating internal circuitry that mimics the load and resistance of traditional halogen or incandescent bulbs.

Benefits of Error-Free CAN-BUS LEDs

Reduced Error Messages: Minimizes the occurrence of bulb-out warnings on the dashboard.
Simplified Installation: Typically plug-and-play, requiring no additional modifications.
Improved Aesthetics: Offers a modern look with brighter and often more focused light output.
Energy Efficiency: Consumes less power than traditional bulbs, reducing the load on the vehicle’s electrical system.
Longer Lifespan: LEDs generally last much longer than halogen or incandescent bulbs, reducing the need for frequent replacements.

Limitations of Error-Free CAN-BUS LEDs

Varying Effectiveness: Performance can vary depending on the vehicle model and the quality of the LED.
Potential for Errors: Some vehicles may still trigger error messages, especially with highly sensitive bulb monitoring systems.
Higher Cost: Generally more expensive than standard halogen or incandescent bulbs.
Heat Generation: While more efficient, LEDs can still generate heat, which may require proper heat sinking in enclosed spaces.
Compatibility Issues: Not all error-free CAN-BUS LEDs are compatible with every vehicle, so it’s essential to check compatibility before purchasing.

When selecting error-free CAN-BUS LEDs, choose reputable brands and verify compatibility with your specific vehicle model to ensure optimal performance and minimize potential issues.

10. Load Resistors: An In-Depth Analysis

Load resistors are passive electronic components used to simulate the load of a traditional bulb. When LEDs are installed in place of halogen or incandescent bulbs, the reduced current draw can trigger error messages because the vehicle’s monitoring system detects a lower resistance than expected. Load resistors increase the overall resistance, mimicking the presence of a standard bulb and preventing these errors.

How Load Resistors Work

Load resistors are connected in parallel with the LED bulb. By adding resistance to the circuit, the overall current draw increases, fooling the vehicle’s BCM into thinking a standard bulb is still in place.

The resistance value of the load resistor is crucial. It must be chosen to match the expected current draw of the original bulb. Too little resistance, and the error message will persist. Too much resistance, and the circuit could be overloaded.

Benefits of Using Load Resistors

Error Message Elimination: Effectively eliminates bulb-out error messages in most vehicles.
Wide Compatibility: Can be used with a wide range of LED bulbs and vehicle models.
Simple Installation: Relatively easy to install, requiring basic wiring skills.
Cost-Effective: Generally less expensive than high-end error-free CAN-BUS LEDs.
Versatile Application: Can be used for various lighting applications, including turn signals, brake lights, and parking lights.

Drawbacks of Using Load Resistors

Heat Generation: Load resistors generate significant heat during operation. This heat must be properly dissipated to prevent damage to surrounding components.
Installation Complexity: Requires cutting and splicing wires, which can be challenging for inexperienced users.
Safety Concerns: Improperly installed load resistors can pose a fire hazard due to excessive heat.
Power Consumption: Increases the overall power consumption of the lighting system, which can slightly reduce fuel efficiency.
Mounting Requirements: Must be mounted in a location where heat can be safely dissipated and where they won’t come into contact with flammable materials.

When using load resistors, it’s essential to choose the correct resistance value, mount them safely, and monitor them for excessive heat. Proper installation is crucial to prevent potential hazards.

11. VCDS Coding: Advanced Configuration Techniques

VCDS coding involves using the VCDS software to modify the vehicle’s software settings. This can be used to adapt the vehicle’s electrical system to accommodate different bulb types, disable bulb monitoring for specific circuits, or customize lighting behavior.

Benefits of VCDS Coding

Customization: Allows for extensive customization of the vehicle’s lighting system.
Error Message Suppression: Can disable bulb monitoring for specific circuits, preventing error messages.
Adaptation to LEDs: Can adjust the vehicle’s coding to properly recognize and support LED bulbs.
Advanced Features: Enables advanced lighting features, such as cornering lights or dynamic turn signals.
OEM Integration: Can integrate aftermarket lighting components seamlessly with the vehicle’s existing systems.

Risks of VCDS Coding

Complexity: Requires advanced knowledge of the vehicle’s electrical system and VCDS software.
Potential for Damage: Incorrect coding can cause electrical problems or damage the vehicle’s ECUs.
Warranty Issues: Modifications made through VCDS coding may void the vehicle’s warranty.
Unintended Consequences: Coding changes can have unintended side effects, affecting other vehicle systems.
Dependence on Software: Requires access to VCDS software and a compatible interface.

VCDS coding should only be performed by experienced technicians who fully understand the risks involved. Always back up the vehicle’s original coding before making any changes, and proceed with caution.

12. Step-by-Step Guide to Using VCDS for Bulb Configuration

If you choose to use VCDS for bulb configuration, follow these steps carefully:

Connect VCDS: Connect the VCDS interface to the vehicle’s OBD-II port and start the VCDS software on your computer.
Select Control Module: Select the appropriate control module for lighting, typically the Central Electronics module (module 09).
Access Coding: Access the coding or long coding helper function within the control module.
Identify Relevant Bytes: Identify the bytes related to bulb monitoring and configuration. These bytes may vary depending on the vehicle model.
Make Changes: Carefully modify the byte values to achieve the desired configuration. Consult VCDS documentation or online forums for specific coding instructions.
Save Changes: Save the changes and exit the coding function.
Test: Test the lighting system to ensure the changes have been applied correctly and that no error messages are triggered.
Document: Document the changes you have made, including the original and modified byte values.

Always proceed with caution and double-check your work before saving any changes. Incorrect coding can have serious consequences.

13. Common Pitfalls and How to Avoid Them

Incorrect Bulb Selection: Using the wrong type of bulb can cause electrical problems and trigger error messages. Always check the vehicle’s owner’s manual or a reliable parts catalog to ensure you are using the correct bulb.
Overlooking Compatibility: Not all LEDs are compatible with every vehicle. Check compatibility before purchasing LEDs to avoid error messages and other issues.
Ignoring Heat Dissipation: LEDs and load resistors generate heat. Ensure they are properly mounted in a location where heat can be safely dissipated.
Neglecting Safety Precautions: Working with electrical systems can be dangerous. Always disconnect the battery before working on the lighting system, and follow all safety precautions.
Skipping Documentation: Documenting your work is essential for troubleshooting and future reference. Keep a record of all changes you have made to the vehicle’s electrical system.
Rushing the Process: Take your time and work carefully. Rushing can lead to mistakes that can damage the vehicle’s electrical system.
Disregarding Warning Signs: Pay attention to any warning signs, such as unusual smells, smoke, or error messages. These signs may indicate a serious problem.
Ignoring Polarity: LEDs are polarity-sensitive. Ensure they are installed with the correct polarity to function properly.
Over-Tightening Bulbs: Over-tightening bulbs can damage the bulb socket and cause electrical problems. Tighten bulbs until they are snug, but not excessively tight.
Forgetting to Clear Error Codes: After making changes to the lighting system, clear any error codes that may be present. This will ensure the system is functioning correctly.

Avoiding these common pitfalls will help you ensure a successful and trouble-free bulb replacement or modification.

14. Choosing the Right Tools and Equipment

Having the right tools and equipment is essential for working on automotive lighting systems. Here are some essential items:

VCDS Interface: A VCDS interface is essential for diagnosing and coding VAG vehicles.
Multimeter: A multimeter is used to measure voltage, current, and resistance.
Wiring Diagram: A wiring diagram is essential for understanding the vehicle’s electrical system.
Socket Set: A socket set is used to remove and install bulbs and other components.
Pliers: Pliers are used to cut and strip wires.
Wire Stripper: A wire stripper is used to remove insulation from wires.
Soldering Iron: A soldering iron is used to solder wires together.
Heat Gun: A heat gun is used to shrink heat shrink tubing.
Heat Shrink Tubing: Heat shrink tubing is used to insulate and protect electrical connections.
Test Light: A test light is used to check for voltage in electrical circuits.
OBD-II Scanner: An OBD-II scanner is used to read and clear error codes.
Safety Glasses: Safety glasses are used to protect your eyes from debris.
Gloves: Gloves are used to protect your hands from chemicals and sharp objects.

Investing in quality tools and equipment will make your work easier, safer, and more efficient.

15. Safety Precautions When Working with Automotive Electrical Systems

Disconnect the Battery: Always disconnect the battery before working on the electrical system to prevent electrical shock.
Wear Safety Glasses: Wear safety glasses to protect your eyes from debris.
Wear Gloves: Wear gloves to protect your hands from chemicals and sharp objects.
Work in a Well-Ventilated Area: Work in a well-ventilated area to avoid inhaling fumes.
Use Insulated Tools: Use insulated tools to prevent electrical shock.
Avoid Water: Avoid working on the electrical system in wet conditions.
Follow Wiring Diagrams: Follow wiring diagrams carefully to avoid making mistakes.
Double-Check Your Work: Double-check your work before reconnecting the battery.
Keep a Fire Extinguisher Nearby: Keep a fire extinguisher nearby in case of a fire.
Seek Professional Help: If you are unsure about any aspect of the work, seek professional help.

Following these safety precautions will help you avoid accidents and injuries when working on automotive electrical systems.

16. Real-World Examples and Case Studies

Case Study 1: LED Turn Signal Upgrade on a 2015 Audi A4

A customer wanted to upgrade the turn signal bulbs on their 2015 Audi A4 to LEDs. After installing the LEDs, the vehicle started displaying bulb-out error messages. The technician used VCDS to access the Central Electronics module and adjusted the coding to accommodate the LEDs, successfully eliminating the error messages.

Case Study 2: Headlight Retrofit on a 2018 Volkswagen Golf

A customer wanted to retrofit aftermarket headlights onto their 2018 Volkswagen Golf. After installing the headlights, the vehicle’s BCM was not properly recognizing the new lights, causing them to flicker and malfunction. The technician used VCDS to reprogram the BCM, enabling it to properly control the new headlights.

Case Study 3: Troubleshooting a Bulb-Out Error on a 2016 Skoda Octavia

A customer brought in their 2016 Skoda Octavia with a bulb-out error message. The technician used VCDS to diagnose the problem and found that the error was caused by a faulty bulb socket. After replacing the socket, the technician cleared the error code, resolving the issue.

These real-world examples demonstrate the power and versatility of VCDS in diagnosing and resolving lighting system problems.

17. The Future of Automotive Lighting Technology

Automotive lighting technology is constantly evolving. Here are some trends to watch:

OLED Lighting: Organic light-emitting diodes (OLEDs) offer a more energy-efficient and customizable lighting solution.
Laser Lighting: Laser headlights provide a more focused and intense beam of light.
Adaptive Lighting: Adaptive headlights adjust their beam pattern based on driving conditions.
Digital Lighting: Digital headlights use micro-mirrors to project light patterns onto the road.
Integrated Sensors: Future lighting systems may incorporate sensors to detect pedestrians, cyclists, and other vehicles.

These advancements will require technicians to stay up-to-date with the latest technology and tools.

18. Maintaining Your VCDS Bulb Saver

To ensure your VCDS bulb saver remains in optimal condition, follow these maintenance tips:

Clean Regularly: Clean the bulb saver regularly with a soft, dry cloth to remove dirt and grime.
Store Properly: Store the bulb saver in a clean, dry place when not in use.
Inspect Cables: Inspect the cables for any signs of damage, such as cuts or fraying.
Check Connectors: Check the connectors for corrosion or damage.
Update Software: If your bulb saver has software, keep it updated to the latest version.
Follow Manufacturer’s Instructions: Follow the manufacturer’s instructions for maintenance and care.
Avoid Extreme Temperatures: Avoid exposing the bulb saver to extreme temperatures.
Protect from Moisture: Protect the bulb saver from moisture.
Handle with Care: Handle the bulb saver with care to avoid dropping or damaging it.
Calibrate Periodically: Calibrate the bulb saver periodically to ensure accurate readings.

Proper maintenance will prolong the life of your VCDS bulb saver and ensure it performs reliably.

19. Advanced Diagnostic Techniques with VCDS

Beyond basic bulb replacement, VCDS can be used for advanced diagnostic tasks related to automotive lighting:

Component Testing: VCDS can be used to test individual lighting components, such as bulbs, sockets, and wiring harnesses.
Circuit Analysis: VCDS can be used to analyze the electrical circuits that control the lighting system.
Error Code Interpretation: VCDS provides detailed information about error codes related to the lighting system.
Data Logging: VCDS can log data from the lighting system, allowing you to monitor its performance over time.
Actuator Testing: VCDS can be used to activate and test actuators, such as headlight motors and leveling systems.
Adaptation and Calibration: VCDS can be used to adapt and calibrate lighting components, such as headlights and sensors.
Coding and Programming: VCDS can be used to code and program the lighting system to customize its behavior.

By mastering these advanced diagnostic techniques, you can use VCDS to troubleshoot even the most complex lighting problems.

20. Troubleshooting Common Lighting Problems with VCDS

Bulb-Out Errors: Use VCDS to identify the faulty bulb and clear the error code after replacement.
Flickering Lights: Use VCDS to check the voltage and current to the lights and identify any wiring problems.
Dim Lights: Use VCDS to check the voltage to the lights and identify any faulty components.
Lights Not Working: Use VCDS to check the fuses and relays and identify any broken wires.
Error Codes: Use VCDS to read the error codes and identify the cause of the problem.
Wiring Problems: Use VCDS to test the wiring and identify any shorts or open circuits.
Component Failures: Use VCDS to test the components and identify any faulty ones.
Coding Problems: Use VCDS to check the coding and identify any incorrect settings.
Adaptation Problems: Use VCDS to check the adaptation and identify any incorrect settings.
Communication Problems: Use VCDS to check the communication between the components and identify any problems.

By using VCDS to diagnose and troubleshoot lighting problems, you can save time and money and ensure that the vehicle is operating safely and efficiently.

21. How CARDIAGTECH.NET Can Help You

At CARDIAGTECH.NET, we understand the challenges faced by automotive technicians when dealing with modern vehicle electronics. That’s why we offer a comprehensive range of diagnostic tools and support to help you succeed. Here’s how we can assist you:

High-Quality Diagnostic Tools: We provide state-of-the-art VCDS interfaces and other diagnostic tools designed to meet the demands of modern automotive repair.
Expert Support: Our team of experienced technicians is available to provide expert support and guidance on using VCDS and other diagnostic tools.
Training Resources: We offer a variety of training resources, including online tutorials, workshops, and certification programs, to help you master VCDS coding and diagnostics.
Technical Documentation: We provide access to a vast library of technical documentation, including wiring diagrams, coding guides, and repair manuals.
Community Forum: Our online community forum allows you to connect with other technicians, share tips and tricks, and get answers to your questions.

With CARDIAGTECH.NET, you can have the tools, knowledge, and support you need to tackle any automotive lighting problem.

22. Customer Testimonials

“CARDIAGTECH.NET has been a game-changer for our shop. The VCDS interface we purchased from them is reliable and easy to use, and their support team is always there to help when we need it.” – John S., Shop Owner

“I was struggling with LED upgrades on newer VAG vehicles until I found CARDIAGTECH.NET. Their training resources helped me master VCDS coding, and now I can handle any lighting problem with confidence.” – Mike D., Automotive Technician

“The technical documentation available on CARDIAGTECH.NET is invaluable. It has saved me countless hours of troubleshooting and helped me get the job done right the first time.” – Sarah L., Service Advisor

These testimonials reflect the value and support that CARDIAGTECH.NET provides to automotive professionals.

23. Contact Us Today

Ready to take your automotive repair capabilities to the next level? Contact CARDIAGTECH.NET today to learn more about our diagnostic tools, training resources, and expert support.

Address: 276 Reock St, City of Orange, NJ 07050, United States

WhatsApp: +1 (641) 206-8880

Website: CARDIAGTECH.NET

Don’t let complex automotive lighting problems hold you back. Let CARDIAGTECH.NET help you achieve success. Our experts are on standby to provide advice on selecting the perfect diagnostic tools tailored to your specific requirements. Contact us now, and let’s propel your automotive repair capabilities to new heights.

24. FAQs About VCDS Bulb Savers

Q1: What is a VCDS bulb saver?

A VCDS bulb saver is a device or technique used to protect a vehicle’s electronic control units (ECUs) when working with lighting systems, particularly when replacing bulbs with LEDs.

Q2: Why do I need a bulb saver?

Modern vehicles have sensitive electronic systems that monitor bulb integrity. Incorrect bulb replacements or modifications can trigger error messages, damage the ECU, or cause system instability. A bulb saver helps prevent these issues.

Q3: What are the alternatives to a dedicated bulb saver?

Alternatives include using error-free CAN-BUS LEDs, load resistors, or VCDS coding to adjust the vehicle’s settings.

Q4: Are error-free CAN-BUS LEDs truly error-free?

While designed to minimize errors, their effectiveness can vary depending on the vehicle model and LED quality. Some vehicles may still trigger error messages.

Q5: What are the risks of using load resistors?

Load resistors generate heat and require careful mounting to avoid damaging surrounding components. Improper installation can pose a fire hazard.

Q6: Is VCDS coding safe for bulb configuration?

VCDS coding allows for customization but requires advanced knowledge and carries the risk of unintended consequences if not done correctly.

Q7: What tools do I need for bulb replacement and modification?

Essential tools include a VCDS interface, multimeter, wiring diagram, socket set, pliers, wire stripper, soldering iron, heat gun, heat shrink tubing, test light, OBD-II scanner, safety glasses, and gloves.

Q8: What safety precautions should I follow when working with automotive electrical systems?

Always disconnect the battery, wear safety glasses and gloves, work in a well-ventilated area, use insulated tools, avoid water, follow wiring diagrams, double-check your work, and keep a fire extinguisher nearby.

Q9: How can CARDIAGTECH.NET help me with automotive lighting problems?

CARDIAGTECH.NET offers high-quality diagnostic tools, expert support, training resources, technical documentation, and a community forum to assist automotive technicians.

Q10: Where can I get expert advice and support for VCDS coding and diagnostics?

Contact CARDIAGTECH.NET at +1 (641) 206-8880 or visit our website at CARDIAGTECH.NET for expert advice and support.