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Home >> Chevrolet >> 2008 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission - 6L50/6L80/6L90 - DTC P09786 To DTC P2764) >> DTC P2728, P2729 or P2730 >> Circuit Verification

Circuit Verification

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

Perform the following procedure to place the control solenoid (w/body and TCM) valve assembly under the optimal conditions to test solenoid electrical DTCs.

  1. Ensure the transmission fluid temperature is between 50-80°C (122-176°F).
  2. Operate the vehicle in second gear long enough to ensure at least a 3°C (5°F) rise in TCM substrate temperature.
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