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Home >> Cadillac >> 2017 >> Escalade ESV Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P182E or P1915: Internal Mode Switch >> Circuit/System Verification

Circuit/System Verification

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  1. Verify DTC P0850, P0851 or P0852 is set.
    • If none of the DTCs are set 
  2. Verify the range selector cable is adjusted correctly. 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 
  3. Ignition ON.
  4. Verify the scan tool parameter matches the Transmission Internal Mode Switch Logic table for each gear position. Refer to Transmission Internal Mode Switch Logic .
    • If the parameter does not match 

      Refer to Circuit/System Testing.

    • If the parameter matches 
  5. Verify the scan tool engine control module Park/Neutral Switch parameter displays Park/Neutral with the gear shift lever 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 or In Gear is displayed 
  6. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observe from the Freeze Frame/Failure Records data.
  7. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

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