Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM20241500 TRXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 224 (POWER DISTRIBUTION - 1500)DESCRIPTIONDESCRIPTION AND OPERATIONBODY CONTROL MODULE (BCM)
2024 Dodge and Ram 1500 TRX
Body Control Module (BCM)
2024 Dodge and Ram 1500 TRXSECTION Body Control Module (BCM)
WARNING: This page is about a different car, the 2023 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
BODY CONTROL MODULE (BCM)
| Refer to COMPONENT INDEX . |
The BCM:
- Is the gateway module for the Controller Area Network (CAN) bus
- Receives hard-wired input from sensors and switches
- Provides logic and output control of individual electrical systems
- Provides load shedding logic and control
- Supports flashing (reprogramming) of itself as well as other Electronic Control Units (ECUs) on the CAN data bus networks
- Stores vehicle configuration data
Inputs
- Shipping mode status
- Ignition command state
- Remote start active signal
- Battery State of Charge (SoC) input
- Accessory (ACC) delay active input
- Wireless Charging Pad Module errors and faults
- 115-volt outlet switch with indicator
- PIM operational output status signals
Outputs
- Internal lighting command to the Wireless Charging Pad Module
- Door ajar signals to the Wireless Charging Pad Module
- Commanded ignition state to the Wireless Charging Pad Module
- Battery SoC to the Wireless Charging Pad Module
- RUN/ACC relay control to the PDC
- Cargo power outlet display message commands to the Instrument Panel Cluster (IPC)
- PIM control outputs
- Vehicle configuration to multiple nodes on the bus networks
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.