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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Information and Procedures >> Cruise Control Indicator Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, with a scan tool command the IPC display test ON and OFF. The cruise control light should turn ON and OFF.
    • If the cruise control light does not turn ON and OFF, replace the IPC.
  2. Replace the ECM.
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