Circuit/System Testing

2025 Chevrolet Trax LSSECTION Circuit/System Testing
  1. Ignition OFF, disconnect the S70R Steering Wheel Controls Switch - Right.
  2. Ignition ON, test for greater than 11 V between the voltage reference circuit terminal 1 and ground.
    • If less than the specified value, test the voltage reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  3. Test for greater than 11 V between the voltage reference circuit terminal 1 and the signal circuit terminal 2.
    • If less than the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  4. Ignition OFF, disconnect the X3 harness connector at the K9 Body Control Module.
  5. Test for infinite resistance between the signal circuit terminal 2 at the S70R Steering Wheel Controls Switch - Right and ground.
    • If less than the specified value, test the signal circuit for a short to ground.
  6. If all circuits test normal, test or replace the S70R Steering Wheel Controls Switch - Right.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.