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Home >> Chevrolet >> 2021 >> Traverse Premier, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B1176 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the connector at the S82 Windshield Wiper/Washer Switch.
  2. Verify a test lamp illuminates between low reference circuit terminal 1 and B+.
    • If the test lamp does not illuminate 
    1. Test circuit 6009 for an open/high resistance.
      • If an open/high resistance is found, repair the fault on the circuit.
      • Go to next step: If an open/high resistance is not found.
    2. Replace the K9 Body Control Module.
    • Go to next step: If the test lamp illuminates 
  3. Ignition ON.
  4. Test for 4.8 - 5.2 V between signal circuit terminal 2 and ground.
    • If less than 4.8 V 
    1. Test circuit 1715 for a short to ground.
      • If a short to ground is found, repair the fault on the circuit.
      • Go to next step: If a short to ground is not found.
    2. Test circuit 1715 for an open/high resistance.
      • If an open/high resistance is found, repair the fault on the circuit.
      • Go to next step: If an open/high resistance is not found.
    3. Replace the K219 Lighting Control Module.
    • If greater than 5.2 V 
    1. Test circuit 1715 for a short to voltage.
      • If a short to voltage is found, repair the fault on the circuit.
      • Go to next step: If a short to voltage is not found.
    2. Replace the K219 Lighting Control Module.
    • Go to next step: If 4.8 - 5.2 V 
  5. Replace the S82 Windshield Wiper/Washer Switch.
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