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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat Heating System And Seat Cooling System >> Diagnostic Information and Procedures >> DTC B242A: Seat Heaters Common Circuit >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the X2 harness connector at the K29 Seat Heating Control Module.
  2. Test for infinite resistance between the control circuit terminals listed below and ground:
    • Terminal 3
    • Terminal 5
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • If infinite resistance 
  3. Ignition ON.
  4. Test for less than 1 V between the control circuit terminals listed below and ground:
    • Terminal 3
    • Terminal 5
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • If less than 1 V 
  5. Replace the K29 Seat Heating Control Module.
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