Mechanic Tests ChatGPT for Car Diagnostics, Finds Promising but Flawed Results

Executive Briefing

• Reveals ChatGPT correctly identified ignition switch failure on a 2016 Honda Civic but skipped key voltage verification steps
• Warns AI missed checking the input wire for faults, risking unnecessary part replacement and wasted repair costs
• Notes AI effectiveness depends heavily on users asking precise, technically accurate questions with proper part terminology
• Highlights non-experts risk misguided repairs, citing a couple who disconnected a battery based on outdated AI advice
• Suggests AI suits general guidance but struggles with model-specific wiring diagrams and complex automotive systems