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Home >> Chevrolet >> 2019 >> Volt Premier >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling >> Diagnostic Information and Procedures >> DTC P1FFF >> Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC P0AA6, P1AE6, P1FFB, P1FFC, P1FFD, or P1FFE are not set.
    • Go to next step: If none of the DTCs are set 
  2. NOTE:

    In order to clear P1FFF, the K114B Hybrid/EV Powertrain Control Module 2 may have to be programmed or replaced if the module contains the current calibration level.

  3. Clear Codes. Verify DTC P0AA6, P1AE6, P1FFB, P1FFC, P1FFD, or P1FFE does not set.
    • Go to next step: If none of the DTCs are set 
  4. All OK.