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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Electrical >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC B0931: Compass Circuit Internal Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC B0931 39 is not set.
    • If the DTC is set 

      Replace the K18 Compass Module.

    • If the DTC is not set 
  3. All OK.
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