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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Automatic Transmission - 6T40 (MH8 MHB) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0850-P0852: Park/Neutral Position Switch >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC P182E or P1915 is not set.
    • If none of the DTCs are set 
  3. Verify the range selector lever cable is adjusted properly. Refer to Range Selector Lever Cable Adjustment .
    • If the cable adjustment is not OK 

      Adjust, repair or replace as necessary.

    • If the cable adjustment is OK 
  4. Ignition ON.
  5. Verify the scan tool TCM Internal Mode Switch parameter matches the gear shift lever position while slowly moving the gear shift lever from Park through all gear ranges.
    • If all gear positions match 
  6. Verify the scan tool Park/Neutral Position Switch parameter displays Park/Neutral when in Park or Neutral and In Gear when in Reverse or Drive.
    • If Park/Neutral or In Gear is not displayed 

      Refer to Circuit/System Testing.

    • If Park/Neutral and In Gear is displayed 
  7. 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.
  8. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  9. All OK
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