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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2721 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC P15F7: Rear Object Detection Control Module Torque Request Signal Message Counter >> Circuit/System Verification

Circuit/System Verification

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NOTE:
  • DTC P15F7 is an informational DTC.
  • Diagnose all other K20 Engine Control Module DTCs prior to DTC P15F7.
  1. Verify there are no other K20 Engine Control Module or communication DTCs set.
    • If a DTC is not set 
  2. Complete the diagnosis by looking for an intermittent serial data circuit fault. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
    • If an intermittent serial data circuit fault is found 

      Repair as necessary.

    • If an intermittent serial circuit fault is not found 
  3. Clear DTCs and operate the vehicle in the conditions that the customer experienced.
  4. Verify DTC P15F7 does not set.
    • If the DTC sets 

      Replace K41R Rear Parking Assist Control Module.

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