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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0562 or P0563 >> Circuit/System Description

Circuit/System Description

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The transmission control module continuously monitors the system voltage on the Ignition voltage circuits. The transmission control module is located within the control solenoid valve assembly and is not serviced separately. Lower than normal voltage may be inadequate to operate the transmission control solenoids properly. Improper solenoid operation may cause erratic transmission operation, which may result in internal transmission damage.

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