If you own or work on newer FCA vehicles, particularly models from 2018 onward, you might have encountered challenges when trying to access certain diagnostic functions. This is where FCA AutoAuth comes into play, a service designed to enable deeper diagnostic capabilities on FCA vehicles through authorized scan tools. In this article, we’ll explore how to access FCA AutoAuth, what you can expect after signing up, and tips to navigate the process smoothly. Watch the full video guide HERE
What is FCA AutoAuth?
FCA AutoAuth is a subscription service that grants access to advanced diagnostic functions on FCA (Fiat Chrysler Automobiles) vehicles. This service is particularly crucial for vehicles manufactured from 2018 onwards, as these models come with enhanced security features that restrict access to certain electronic systems.
When you connect a scan tool to a 2018 or newer FCA vehicle without AutoAuth, you may encounter a restricted access screen. This can prevent you from performing critical tasks like reading and clearing DTCs (Diagnostic Trouble Codes), performing actuation tests, or accessing specific modules like the PCM (Powertrain Control Module) and BCM (Body Control Module).
How to Sign Up for FCA AutoAuth
Accessing FCA AutoAuth requires a subscription that costs $50 per year. The signup process is relatively straightforward, and you don’t need to own a professional repair shop to qualify. Here’s a step-by-step guide:
- Visit the FCA AutoAuth Portal: Start by creating an account on the FCA AutoAuth website.
- Register Your Scan Tool: You’ll need to enter the serial number of your scan tool. Ensure your device is supported before proceeding.
- Pro Tip: If your serial number isn’t registered correctly, you’ll receive an error message when trying to log in. Ensure your device is registered to avoid this.
- Complete Payment: The $50 annual fee covers up to five devices, making it a cost-effective solution if you own multiple scan tools.
Once registered, you’ll gain access to advanced diagnostic functions on FCA vehicles. If the registration is successful, you’ll be able to perform a health scan and access various modules within the vehicle.
What Can You Do with FCA AutoAuth?
With FCA AutoAuth activated, you unlock a range of diagnostic capabilities, including:
- Health Scans: Perform comprehensive scans of the vehicle’s systems, allowing you to detect and address issues quickly.
- Actuation Tests: Test specific components like the radiator fan or HVAC system to ensure they’re functioning correctly.
- Data Feeds: Access real-time data from numerous parameters within the vehicle’s systems, providing valuable insights during diagnostics.
- Module Access: Gain entry to critical modules such as the PCM and BCM, enabling you to troubleshoot and resolve complex issues.
Potential Challenges and Tips
While FCA AutoAuth significantly enhances your diagnostic capabilities, it’s not without its limitations. Some users have reported issues with specific scan tools, where certain functions may not work as expected. Here are a few tips to help you navigate these challenges:
- Choose the Right Scan Tool: Not all scan tools work seamlessly with FCA AutoAuth. Some models may require firmware updates, while others might lack compatibility altogether. Research and select a scan tool known to work well with FCA vehicles.
- Consider Bypass Cables: If you’re working on FCA vehicles infrequently, bypass cables might be a cost-effective alternative. These cables allow you to access certain functions without needing FCA AutoAuth, though they may not provide the same level of access.
- Firmware Updates: Keep your scan tool updated to the latest firmware to ensure compatibility and access to the newest features.
Final Thoughts
FCA AutoAuth is an invaluable tool for anyone working on newer FCA vehicles, offering the ability to perform in-depth diagnostics and repairs. Whether you’re a professional mechanic or a DIY enthusiast, this service can make your job easier and more efficient. However, it’s essential to choose the right tools and stay informed about potential limitations.
If you’re relying on a scan tool for regular work, investing in FCA AutoAuth is a wise decision. For occasional use, explore alternative solutions like bypass cables, which may offer the access you need without the ongoing subscription cost. Ultimately, the right approach depends on your specific needs and how frequently you work on FCA vehicles.
Watch the full video guide HERE





