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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0402-P2636)) >> DTC P2563 >> Repair Verification

Repair Verification

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  1. With the engine at idle, observe the TC vane position sensor and the desired TC vane position in the TC data list. Slowly increase the engine speed from idle to 2,500 RPM, and slowly return the engine speed back to idle.
  2. The TC vane position parameter should remain near or equal to the desired TC vane position parameter.
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