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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1574 (Automatic Transaxle - 4T45-E - DTC P0719 To DTC P0842) >> DTC P0724 (2.2L) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The stop lamp switch indicates brake pedal status to the transmission control module (TCM). The normally-open stop lamp switch supplies ignition voltage to the TCM. Applying the brake pedal closes the switch, supplying voltage to the TCM. Releasing the brake pedal interrupts voltage to the TCM. When the TCM senses ignition voltage at the stop lamp switch input, the TCM de-energizes the torque converter clutch (TCC) solenoid valve.

When the TCM detects a closed stop lamp switch, stuck ON, during accelerations, DTC P0724 sets. DTC P0724 is a type C DTC.

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