Wrench Node

Diagnostic and service-writing tools for auto repair technicians, service advisors and shop owners, from the team behind Wrench Node shop management software.

What you can do

• Diagnose a concern: give the vehicle, complaint, trouble codes and symptoms and get a suggested test plan: what to check first and why, how to test it, the tools you may need and what to look for. Tell it what you've already tested and it builds on those results.
• Decide the next test: report your readings mid-diagnosis and get an interpretation and a suggested next check.
• Write up tech notes: turn shorthand like "LF wheel brg play, noisy" into clean, numbered repair order notes based on what the tech wrote.
• Write repair write-ups: paste the customer's complaint and the technician's notes and get a Complaint, Cause, Correction write-up drafted from those notes.
• Explain work to customers: turn inspection findings into plain language a car owner can follow.
• Translate between English and Spanish: write-ups, estimates and customer messages.

Good to know Suggestions are a starting point for a qualified technician. Always confirm diagnoses, specifications and procedures with the manufacturer's service information before making a repair, and review any write-up before you use it.

Privacy No account or login is needed. The tools only see the text you send. Wrench Node does not save that text; it records only usage details such as which tool was used and when. See our privacy policy for details.

Wrench Node also makes shop management software, with repair orders, digital inspections, estimates and payments, at wrenchnode.com.