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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P1762: Transmission Mode Switch >> Circuit/System Verification

Circuit/System Verification

  1. DTC P1762 is an informational DTC. Diagnose all other body control module DTCs prior to DTC P1762. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  2. If there are no other body control DTCs, diagnosis is accomplished by looking for an intermittent CAN circuit fault. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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