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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Hybrid/EV System Heating And Cooling) >> Diagnostic Information and Procedures >> DTC P0A81-P0A85, P0BC8-P0BCA, or P0D64-P0D66: Hybrid/EV Battery Pack Cooling Fan >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Verify the actual G14 Hybrid/EV Battery Pack Cooling Fan speed increases and decreases when commanding the Hybrid/EV Battery Pack Cooling Fan with a scan tool.
    • If the fan speed does not increase and decrease as commanded 

      Refer to Circuit/System Testing.

    • If the fan speed increases and decreases as commanded 
  2. Verify the scan tool Hybrid Powertrain Control Module 14V Power Module Fan Speed parameter increases and decreases when commanding the Hybrid/EV Battery Pack Cooling Fan with a scan tool.
    • If the parameter does not increase and decrease as commanded 

      Refer to Circuit/System Testing.

    • If the parameter increases and decreases as commanded 
  3. All OK.
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