Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
GT1 (Group Tester 1)
Used For: Vehicle Diagnosis, Coding, Programming and Individualization
With PROGMAN (CD14) the GT1 will no longer be able to do coding and programming directly, it will only be used as a remote terminal that can initiate Coding & Programming through SSS.
Connection: Wireless LAN or Direct to LAN/Workshop Network or Direct to OPPS/OPS/Diagnostic Head
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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