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HOMESERVICE MANUALSCHEVROLET2018TRAVERSE LS, 4WDREPAIR AND DIAGNOSISELECTRICALMOTORS, SWITCHES, RELAYSWIRING SYSTEMS AND POWER MANAGEMENT - DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC INFORMATION AND PROCEDURESDTC B097CCIRCUIT/SYSTEM TESTING
2018 Chevrolet Traverse LS, 4WD

Circuit/System Testing

2018 Chevrolet Traverse LS, 4WDSECTION Circuit/System Testing
  1. Ignition OFF/Vehicle OFF and all vehicle systems OFF, disconnect the harness connector at the S38 Ignition Mode Switch. It may take up to 2 min for all vehicle systems to power down.
  2. Test for less than 10 Ω between the ground circuit terminal 4 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF/Vehicle OFF.
    2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, repair the open/high resistance in the ground connections.
    • Go to next step: If less than 10 Ω 
  3. Connect the harness connector at the S38 Ignition Mode Switch.
  4. Ignition ON/Vehicle in Service Mode, disconnect the harness connector at the S38 Ignition Mode Switch.
  5. Connect a test lamp between the control circuit terminal 5 and ground.
  6. Verify the test lamp stays OFF when commanding Run/Start Power Mode Indicator Off with the scan tool.
    • If the test lamp is always ON 
    1. Connect the harness connector at the S38 Ignition Mode Switch.
    2. Ignition OFF/Vehicle OFF, remove the test lamp, disconnect the harness connector at the K9 Body Control Module.
    3. Ignition ON/Vehicle in Service Mode, disconnect the harness connector at the S38 Ignition Mode Switch.
    4. Test for less than 1 V between the control circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K9 Body Control Module.
    • Go to next step: If the test lamp is always OFF 
  7. Test for greater than 3 V between the control circuit terminal 5 and ground while commanding Run/Start Power Mode Indicator On with the scan tool.
    • If 3 V or less 
    1. Ignition OFF/Vehicle OFF, disconnect the harness connector at the K9 Body Control Module.
    2. Test for infinite resistance between the control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • Go to next step: If infinite resistance
    3. Test for less than 2 Ω in the control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K9 Body Control Module.
    • Go to next step: If 3 V or greater 
  8. Test or replace the S38 Ignition Mode Switch.
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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.