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Home >> Chevrolet >> 2017 >> SS Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC B274A: Sport Mode Switch Circuit >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Body Control Module Sport Mode Switch parameter change states while switching between SPORT and TOUR modes.
    • If the parameter does not change 

      Refer to Circuit/System Testing.

    • If the parameter changes 
  3. All OK.
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