LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - VT40 (MRG) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0601-P0604, P0606, P0607, P062F, P16F3, or P16FB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC P0602 is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module: K71 Transmission Control Module
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K71 Transmission Control Module
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. Ignition/Vehicle & All vehicle systems - Off
  4. Disconnect the electrical connector: K71 Transmission Control Module
  5. Verify a condition does not exist with the component: K71 Transmission Control Module @ Wiring Harness Connector - Defective/Loose/Poor Connection/Visible Damage
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step: If no condition exists 
  6. Connect the electrical connector: K71 Transmission Control Module
  7. Ignition - On / Vehicle - In Service Mode
  8. Clear the DTCs.
  9. Ignition/Vehicle & All vehicle systems - Off
  10. Ignition - On / Vehicle - In Service Mode
  11. Verify DTC P0601, P0603, P0604, P0606, P0607, P062F, P16F3, P16FB is not set.
    • If the DTC is set 

      Replace the component: K71 Transmission Control Module

    • Go to next step: If the DTC is not set 
  12. All OK.