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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 P0658, P0659, P2812, P2814, P2815, P281B, P281D, or P281E >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Remove the component:
    • Transmission Fluid Pan
    • Control Valve Body
  2. Disconnect the appropriate electrical connector: Q77 Transmission Control Solenoid Valve
    3. NOTE:

    The component's temperature should be 19 to 21°C (66 to 70°F) while testing.

  3. Test for 5.0 to 5.4 ohms between the test points: Terminal 1@Q77 Transmission Control Solenoid Valve & Terminal 2@Q77 Transmission Control Solenoid Valve
    • If not between 5.0 and 5.4 ohms 

      Replace the appropriate component: Q77 Transmission Control Solenoid Valve

    • Go to next step: If between 5.0 and 5.4 ohms 
  4. Test for infinite resistance between the test points: Terminal 1@Q77 Transmission Control Solenoid Valve & The component's housing
    • If less than infinite resistance 

      Replace the component: Q77 Transmission Control Solenoid Valve

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