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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1737 (Automatic Transmission - ALLISON - DTC P0218 To DTC P0878) >> DTC P0562, P0563, or P2534 >> Conditions for Setting the DTC >> P0562

Conditions for Setting the DTC: P0562

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The TCM detects ignition voltage greater than 5 V and less than a threshold voltage based on transmission fluid temperature for greater than 25 seconds and DTC P2534 is not set. Threshold is 5 V for temperatures below -60°C (-76°F), 8 V at 0°C (32°F), and 9 V for temperatures above 20°C (68°F).