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Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (Automatic Transmission - 8L45 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0960, P0962-P0964, P0966-P0968, P0970, P0971, P2670, P2671, P2736, P2738, P2739, P2812, P2814, P2815, P2824, P2826, or P2827 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.

Static Test

  1. Ignition/Vehicle - Off
  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 the resistance listed below between the test points: Control terminal 1 & Control terminal 2
    • Q77 Transmission Control Solenoid Valve - 1, 2, 3, 6, 7 = 4.5 to 5.5 ohms
    • Q77J Transmission Control Solenoid Valve 9 = 11.0 to 13.0 ohms
    • If the resistance is not within range 

      Replace the appropriate component: Q77 Transmission Control Solenoid Valve

    • Go to next step: If the resistance is within range 
  4. Test for infinite resistance between the test points: Each terminal of the component & The component's housing - Q77 Transmission Control Solenoid Valve
    • If less than infinite resistance 

      Replace the appropriate component: Q77 Transmission Control Solenoid Valve

    • Go to next step: If infinite resistance 
  5. All OK.
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