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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - JATCO CVT) >> Diagnostic Information and Procedures >> DTC P0705, P0706 or P0851: Transmission Range Switch (MR8) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode & Engine - Off & Transmission in Park
  2. Verify the correct adjustment: Manual Shift Shaft/Park/Neutral Position Switch - Refer to Manual Shift Shaft Position Switch Adjustment 
    • If not the specified state 

      Repair as necessary

    • If the specified state 
  3. Verify the correct adjustment: Range Selector Lever Cable - Refer to Range Selector Lever Cable Adjustment 
    • If not the specified state 

      Repair as necessary

    • If the specified state 
  4. Operate the component: S3 Transmission Shift Lever

    Verify the scan tool parameter: Transmission Range Switch= S3 Transmission Shift Lever

    • If not the specified state 

      Refer to Circuit/System Testing

    • If the specified state 
  5. Verify DTC P0705, P0706, P0851 is only set as a history DTC.
    • If set as a current DTC 

      Refer to Circuit/System Testing

  6. Clear DTCs
  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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to Circuit/System Testing

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