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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Diagnosis - VT25-E) >> Diagnostic Tests >> DTC P0964: TCC Pc Solenoid Circuit Open >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Saturn Vue and 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The TCM uses the TCC PC solenoid to apply and release the TCC system. The TCM compares various engine and transaxle inputs to determine if TCC should be applied. The TCM then regulates the pressure to the TCC by applying a varying current to the TCC PC solenoid. The TCM monitors this current and when a continuous open or short to voltage is detected DTC P0964 sets.

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