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Home › Cadillac › 2018 › CT6 Plug-In › Repair and Diagnosis › Accessories & Equipment › Cruise Control Systems › Diagnostic Information and Procedures › DTC P30D2 › Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC P30D2 is not set.
    • If the DTC is set 
    1. Replace the component: K20 Engine Control Module
    • Go to next step: If the DTC is not set 
  3. All OK.
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