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Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Automatic Transmission - 6T30/6T40 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1876 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify DTC P182E or P1915 was not set by reviewing the scan tool Freeze Frame/Failure Records.
    • If DTC P182E or P1915 was not set 
  2. Ignition ON.
  3. Verify the gear shift lever position matches the scan tool TCM Internal Mode Switch parameter while slowly moving the gear shift lever from Park through all ranges.
    • If the specified values are correct 
  4. Shift lever in the M position.
  5. Verify the scan tool Driver Shift Request parameter changes from Inactive to Upshift when the plus button is pressed, and from Inactive to Downshift when the minus button is pressed.
    • If Inactive, Upshift, and Downshift are displayed 
  6. 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.
  7. Verify the DTC does not set.
    • If the DTC does not set 
  8. All OK.