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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 510 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B (ECM): Control Module >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, clear the DTC information with a scan tool.
  2. Verify no other DTCs are set.
    • If no other DTCs are set 
  3. Observe the DTC information with a scan tool. Verify DTC P0602 or P0630 is not set.
    • If any of the DTCs are set 
    1. Program the K20 Engine Control Module. Refer to Control Module References .
    2. Verify DTC P0602 or P0630 is not set.
      • If any of the DTCs are set, replace the K20 Engine Control Module.
      • If none of the DTCs are set
    3. All OK.
    • If none of the DTCs are set 
  4. Verify DTC P0601, P0603, P0604, P0606, P062B, P062F, P16F3, or P262B is not set.
    • If any of the DTCs are set 

      Replace the K20 Engine Control Module.

    • If none of the DTCs are set 
  5. All OK.
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