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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B191A or B191B >> 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 B191A, B191B is not set.
    • If the DTC is set 

      Replace the appropriate component:

    • { B191A }K29F Seat Heating Control Module - Front
    • { B191B }K29R Seat Heating Control Module - Rear
    • Go to next step: If the DTC is not set 
  3. All OK.
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