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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0402-P2636)) >> DTC P0506 or P0507 >> Conditions for Setting >> P0507

Conditions for Setting: P0507

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The ECM detects the actual idle speed is more than 200 RPM over the desired idle speed for more than 19 seconds.