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 RAM2023CHALLENGER SXT, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTRADIO FREQUENCY MODULE (RF HUB) - DTCS B1A75-12 TO U1454-00DTC TROUBLESHOOTINGB1A8A-00-MULTI-MODULE VIN HANDSHAKE FAILURESET CONDITION
2023 Dodge and Ram Challenger SXT, RWD
Set Condition
2023 Dodge and Ram Challenger SXT, RWDSECTION Set Condition
- The Radio Frequency Hub (RF Hub) receives and monitors the VIN messages from the Powertrain Control Module (PCM) and the Body Control Module (BCM). If the VIN is different from the last VIN it received, it will set this code. If the module was used on a previous vehicle, the VIN will be set to that previous vehicle.
- System voltage is above 9 volts.
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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.