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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - 5L40-E (DTC P0748 To P1832)) >> Automatic Transaxle Diagnosis >> DTC P1832 >> Circuit Description

Circuit Description

WARNING: This page is about a different variant/trim than selected.

The transmission control module (TCM) provides voltage to the pressure control solenoid, the shift solenoids, and the TCC PWM solenoid through two separate solid-state devices called High Side Drivers, called HSD1 and HSD2. HSD1 provides electrical power to the pressure control solenoid. HSD2 provides power to the shift solenoids. A normal function of the TCM is to run tests on each driver to ensure that it is functioning properly.

When the TCM detects a short to voltage on HSD1, then DTC P1832 sets. DTC P1832 is a type C DTC.

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