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Circuit/System Verification

NOTE: Diagnose and repair any communication DTCs prior to performing this testing.
  1. Vehicle ON.
  2. Verify DTC P15F2 is not set.
    • If the DTC is set 
    1. Program the K20 ECM.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K20 ECM.
      • If the DTC does not set.
    3. All OK
    • If the DTC is not set 
  3. All OK
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