LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Automatic Transmission - 10L60 (MQA) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P27EB, P27ED, or P27EE >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.
Circuit Description
9 V Reference Regulated voltage supplied by the control module.
Signal The control module input circuit has an internal resistance connected to ground.
Component Description
B315A Transmission Range Control Valve 1 Position Switch A linear hall effect sensor that changes current flow based on the magnetic field's position relative to the sensor.
K71 Transmission Control Module The control module contains a microprocessor used to process input data to control outputs. The control module receives information from a variety of sensors, switches and serial data information from other control modules. This information is used to control a combination of solenoid valves to obtain the correct line pressure, gear ratio and torque converter clutch operation.

The B315A Transmission Range Control Valve 1 Position Switch monitors the position of the Mode 1 Electronic Transmission Range Selector Valve