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Home >> Chevrolet >> 2014 >> Spark LT, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Information and Procedures >> DTC B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P155A-P155C, or P162C: Cruise Control Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool ECM Cruise Control Switch Status parameter changes between Off and On, Resume and Set when switching between each position on the cruise control switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing.

    • If the parameter changes 
  3. All OK.
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