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Home >> Jeep >> 2017 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 ((Body Control Module (BCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B12CC-11-Column Switch Module CRUISEON/Off/Speed Limiter On Command - Circuit Short To Ground >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.

The Speed Control Switch Pod is a resistor multiplexed unit that provides hard wired inputs to the Body Control Module (BCM) microprocessor. The BCM relays the speed control switch inputs to the Powertrain Control Module (PCM) over the Controller Area Network (CAN) data bus.

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