If you’re experiencing issues scanning the ABS system on your Porsche 992 with an Autel scanner, you’re not alone. This problem is often encountered with older Autel models like the MK808S, which may require specific software updates to properly communicate with the vehicle’s ABS module. This guide provides a detailed walkthrough for successfully accessing and energizing the ABS system for maintenance procedures like a complete brake system flush.
Understanding the Issue: Software Compatibility
The primary reason why an Autel scanner might fail to scan a Porsche 992’s ABS system stems from software incompatibility. The MK808S, for example, needs Porsche-specific software version V1.70 or newer to activate the ABS components. Attempting to access the ABS system with outdated software will often result in an error message indicating the ECM (Engine Control Module) is not responding. The latest version at the time of writing this is V1.90, but ensuring you have at least V1.70 is crucial.
Solution: Updating Your Autel Scanner Software
To resolve this issue, you’ll need to update your Autel scanner’s software to the required version.
- Check Your Current Version: Navigate through the scanner’s menu to identify your current software version. This is typically found in the “About” or “System Information” section. The attached image in the original post highlights where to locate the version information within the MK808S.
- Update the Software: If your version is older than V1.70, you’ll need to perform a software update. This often involves connecting the scanner to a computer with internet access and using the Autel update software. Note that updates may require a paid subscription or one-time purchase, as indicated by the original poster’s $125 update cost.
- Verify Successful Update: After the update, double-check that the scanner now has Porsche V1.70 or a later version installed.
Accessing the ABS System: Step-by-Step Guide
Once the software is updated, follow these steps to access and energize the ABS system:
- Correct Navigation: Accessing the ABS system requires navigating through specific menus within the Autel software. Using the incorrect pathway will often lead to communication errors. Refer to the screen captures provided in the original post’s PDF attachment for the precise navigation sequence on the MK808S.
- Energizing the ABS System: The Autel scanner allows you to activate the ABS components individually for each wheel. This is crucial for effectively flushing the entire brake hydraulic system, including the ABS module. You’ll observe a visual confirmation on the scanner screen when each wheel’s ABS component is energized. The original post includes a picture illustrating the expected visual confirmation.
Additional Considerations: Newer Autel Models and Online Connectivity
While the original post focused on the MK808S, newer Autel models like the MK808BT Pro may also encounter similar connectivity issues, even with the latest software (V1.90). The original poster raised concerns about online service requirements and potential risks associated with connecting the scanner to the internet. While software updates generally require an internet connection, basic scanning functionality might not. However, confirming the specific online requirements for your Autel model and intended functions is essential. The poster also questioned the device’s operability after free updates expire, highlighting the importance of understanding the long-term usability of these diagnostic tools.
Conclusion: Addressing Autel ABS Scanning Issues
Updating your Autel scanner to the correct Porsche-specific software version is paramount for successfully accessing and energizing the ABS system on a Porsche 992. Following the correct navigation steps outlined in the original post’s PDF ensures proper communication with the vehicle’s ABS module. While newer Autel models may offer advanced features, addressing online connectivity concerns and understanding long-term operational capabilities remain crucial factors to consider.
