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 MANUALSJEEP2024WAGONEER L SERIES II, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(FRONT PASSENGER DISPLAY MODULE (FPDM) - ELECTRICAL DIAGNOSTICS)
2024 Jeep Wagoneer L Series II, RWD
(Front Passenger Display Module (FPDM) - Electrical Diagnostics)
2024 Jeep Wagoneer L Series II, RWDSECTION (Front Passenger Display Module (FPDM) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B12B6-4B Display Module Over Temperature
- B15AD-00 Lost Low Voltage Differential Signal (LVDS) Connection With Media Port 1
- B210A-00 System Voltage Low
- B210B-00 System Voltage High
- B210D-16 Battery Voltage Low - Circuit Voltage Below Threshold
- B210E-17 Battery Voltage High - Circuit Voltage Above Threshold
- B2250-00 Ecu Not Programmed/Flash Required
- B22A9-00 Ecu Internal Performance
- U0011-00 Can Interior Bus Off Performance
- U0140-00 Lost Communication With Body Control Module
- U0164-00 Lost Communication With HVAC Control Module
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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.