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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 6T70 (M7U M7W) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0796 or P0797: Pressure Control Solenoid Valve 3 Stuck >> Circuit/System Description

Circuit/System Description

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Clutch pressure control solenoid 3 is part of the control solenoid valve assembly, which has no serviceable components. Pressure Control solenoid 3 regulates transmission fluid pressure to the R1/4-5-6 clutch regulator valve which controls pressure to the low and reverse clutch and the 4-5-6 clutch. The transmission control module (TCM) calculates gear ratio based on the speed signals from the input speed shaft (ISS) sensor and the output shaft speed (OSS) sensor. The TCM compares the expected transmission gear ratio to the calculated gear ratio for each commanded gear.

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