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Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 10L60, 10L80 Or 10L90 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2820 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify the condition does not exist: Incorrect fluid level or condition - Refer to: Transmission Fluid Level and Condition Check 
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step: If no condition exists 
  2. Ignition - On/Vehicle - In Service Mode
  3. Clear the DTCs.
  4. 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.Refer to: Road Test 

    Verify that no DTC listed in the DTC Descriptor Category is set.

    • If any of the DTCs are set 

      Refer to: Diagnostic Fault Information & Verify the conditions listed in the table do not exist

    • Go to next step: If none of the DTCs are set 
  5. All OK.
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