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 RAM2024DURANGO SRT HELLCAT PLUSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSRADIO FREQUENCY MODULE (RF HUB) - DTCS B1A72-11 TO B215B-12
2024 Dodge and Ram Durango SRT Hellcat Plus
Radio Frequency Module (RF Hub) - DTCS B1A72-11 To B215B-12
2024 Dodge and Ram Durango SRT Hellcat PlusSECTION Radio Frequency Module (RF Hub) - DTCS B1A72-11 To B215B-12
- DTC Troubleshooting
- B1A72-11 Passive Entry Antenna 2 - Circuit Short To Ground
- B1A72-12 Passive Entry Antenna 2 - Circuit Short To Battery
- B1A72-13 Passive Entry Antenna 2 - Circuit Open
- B1A74-01 Passive Entry Antenna 4 - General Electrical Failure
- B1A74-11 Passive Entry Antenna 4 - Circuit Short To Ground
- B1A74-12 Passive Entry Antenna 4 - Circuit Short To Battery
- B1A74-13 Passive Entry Antenna 4 - Circuit Open
- B1A75-01 Passive Entry Antenna 5 - General Electrical Failure
- B1A75-11 Passive Entry Antenna 5 - Circuit Short To Ground
- B1A75-12 Passive Entry Antenna 5 - Circuit Short To Battery
- B1A75-13 Passive Entry Antenna 5 - Circuit Open
- B1A76-13 Remote Start Antenna Circuit - Circuit Open
- B1A7B-01 Immobilizer Antenna (Kin/IGNM)-General Electrical Failure
- B1A7B-62 Immobilizer Antenna (Kin/IGNM)-Signal Compare Failure
- B1A7C-01 Electronic Steering Column Lock Control - General Electrical Failure
- B1A7D-01 Start Button - General Electrical Failure
- B1A7D-2A Start Button - Stuck
- B1A7F-00 Electronic Steering Column Lock Communication Performance (Type 1)
- B1A80-00 Electronic Steering Column Lock Communication Performance (Type 2-3)
- B1A81-00 Electronic Steering Column Lock Not Personalized
- B1A89-00 ELV/ESCL Configuration Mismatch
- B1A8A-00 Multi-Module VIN Handshake Failure
- B215B-12 Ignition Run/Start 2 Control-Circuit Short To Battery
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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.