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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC P154F >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTCs P0532, P0533, P0AA4, P0ABB, P0ABC, P0ABD, P0AD9, P0C78, P0D5E, P0D6A, P0D6B, P15CA, P1EC3, P1F0A, P1F0C, P1F0D, P2534, P2535, P3061, U0111, U016B, or U185A. are not set.
    • Go to next step: If none of the DTCs are set 
  2. Replace the G1 A/C Compressor.
  3. Verify DTC P154F does not set while operating the vehicle within the Conditions for Running the DTC.
    • If the DTCs sets 

      Replace the K114B Hybrid/EV Powertrain Control Module 2.

    • Go to next step: If the DTCs does not set 
  4. All OK.
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