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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 6T40 - DTC P0973 To DTC P2764 And Troubleshooting Procedures) >> Diagnostic Information and Procedures >> DTC P1762: Transmission Mode Switch Signal Message Counter >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:
    • DTC P1762 is an informational DTC.
    • Diagnose all other Body Control Module DTCs prior to DTC P1762.
  1. Verify there are no other K9 Body Control Module or communication DTCs set.
    • If a DTC is not set 
  2. Complete the diagnosis by looking for a GMLAN circuit fault. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
    • If a GMLAN circuit fault is found 

      Repair as necessary.

    • If a GMLAN circuit fault is not found 
  3. All OK.
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