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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Hydraulic Brakes) >> Diagnostic Information and Procedures >> DTC C112E >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

The IPC detects a closed power brake booster alarm switch and closed power brake booster fluid flow alarm switch. The IPC illuminates the brake warning indicator and sends a serial data message to the radio requesting the brake warning alarm. After the vehicle has been started and the proper power steering pressure and/or flow has been reached the switch will open and turn off the Red Brake Warning indicator and chime.

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