In this hands-on diagnostic walkthrough, Keith Perkins shares knowledge he typically provides Motor Age readers with the collision audience as he takes viewers step by step through an ABS module diagnostics scenario on a 2017 Honda Civic. Addressing a complex automotive network communication fault, Perkins demonstrates how the vehicle’s VSA modulator (Honda’s ABS module) fails to communicate following recent repairs — highlighting a real-world challenge many technicians face.
Using the Autel MaxiSYS Ultra S2 diagnostics platform, Perkins showcases how advanced scan tools can streamline the entire repair process, from initial vehicle scan and topology mapping to pinpoint testing and final validation. The video dives into CAN bus troubleshooting, illustrating how to interpret network data, identify communication breakdowns and efficiently isolate the root cause.
Through careful automotive electrical diagnosis, Perkins ultimately uncovers a critical issue with connector pin tension — an often-overlooked detail that can disrupt system communication. The repair restores proper function, reinforcing the importance of thorough testing and a structured diagnostic approach.
Whether you’re dealing with a Honda Civic VSA modulator repair or tackling similar network issues, this video offers practical insights you can apply immediately in the bay. Watch the full video to follow the complete diagnostic process and see how a methodical approach leads to a confirmed fix. For more information, visit https://autel.us/product/maxisys-ultra-s2/.