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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (HVAC - Automatic) >> Diagnostic Information and Procedures >> DTC P15C6 or P15C8-P15CB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC P2534, P2535, U016B is not set.
    • Go to next step: If the DTC is not set 
  3. Verify DTC P15C6, P15C9, P15CA, P15CB is not set.
    • If the DTC is set 
    1. Ignition/Vehicle - Off
    2. Replace the component: G1 A/C Compressor
    3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    4. Verify DTC P15C6, P15C9, P15CA, P15CB is not set.
    • If the DTC sets - Replace the component:K114B Hybrid/EV Powertrain Control Module 2
    • Go to next step: If the DTC is not set - All OK.
    • Go to next step: If the DTC is not set 
  4. All OK.
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