A new survey reveals that seasoned auto technicians are struggling to repair vehicles due to advanced technology, potentially costing dealerships millions in profits.
The details: According to automotive tech company TOPDON US, an alarming number of professional technicians are challenged by today’s high-tech vehicles and the adoption of tools that offer integrated, platform-based diagnostics capabilities.
73% of those surveyed said the biggest challenge facing pro technicians was limited Original Equipment (OE) data access, with 67% citing vehicle network and communication systems as the most difficult to diagnose.
When it comes to hybrid and electric vehicles, 39% of the techs had challenges with battery packs, inverters, and isolation faults, with 33% struggling with Advanced Driver Assist Systems (ADAS).
The survey, conducted through the month of September, included 3,000 participants across North America, consisting of professional auto technicians with 10-plus years of experience, 51% of whom have an ASE certification, as well as DIY mechanics.
What they’re saying: “Among the key takeaways is that despite decades of experience among our pro respondents, 73% cited a struggle with limited OE data access and other digital restrictions, not lack of skill,” Chad Schnitz, Vice President of TOPDON US, told Aftermarket Matters.
Why it matters: For dealers, veteran techs hitting a wall on late-model diagnostics doesn’t just slow down repairs—it threatens the profitability of the fixed ops department. Longer cycle times, misdiagnoses, and comebacks can erode service lane efficiency, drag down CSI scores, and push customers toward independents that appear faster or more capable with high-tech vehicles.
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Between the lines: The TOPDON survey also highlights pro technicians’ views on how dealerships can address these challenges—issues that can create service-lane inefficiencies and cost a store hundreds of thousands of dollars or more in lost revenue each year.
68% of those surveyed cited a need for more in-depth, OEM-level diagnostics and coverage.
46% want wiring diagrams and guided repair guides, with 45% seeking faster scan speeds.
77% of those surveyed cited YouTube as the number one source to learn about new diagnostic tools.
57% of the pro techs indicated that they turn to manufacturing websites to gain diagnostic insight.
Bottom line: For dealers, the message is clear, experience alone isn’t enough in an era of complex electronics and EV systems. Stores that invest in OE-level tools, better data access, and ongoing training can turn that complexity into a competitive edge, while those that don’t risk higher downtime, lost revenue, and weakened customer loyalty in their service departments.
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