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Home >> Chevrolet >> 2015 >> Traverse LT, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P150C: Transmission Control Module Engine Speed Request Signal Message Counter >> Circuit/System Verification
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Circuit/System Verification

NOTE:
  • DTC P150C is an informational DTC.
  • Diagnose all other engine control module DTCs prior to DTC P150C.
  1. Verify that no other DTCs are set except for DTC P150C.
    • If only DTC P150C is set 
  2. Replace the K71 Transmission Control Module.
  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 the DTC does not set.
    • If the DTC sets 

      Replace the K20 Engine Control Module.

    • If the DTC does not set 
  5. All OK.