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Home >> GMC >> 2018 >> Canyon SL >> Repair and Diagnosis >> Body & Frame >> Fixed And MOVEABLE Windows System >> Diagnostic Information And Procedures >> DTC B0969 >> Component Testing

Component Testing

Dynamic Test

  1. Ignition OFF, disconnect the X1 harness connector at the K33 HVAC control module.
  2. Install a 3 A fused jumper wire between the control terminal 17 and 12 V. Install a jumper wire between the ground terminal 23 and ground.
  3. Verify the rear defog indicator turns ON.
    • If the rear defog indicator does not turns ON 

      Replace the K33 HVAC control module.

    • Go to next step: If the rear defog indicator does turns ON 
  4. All OK