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 283 ((ADAPTIVE FRONT LIGHTING SYSTEM MODULE - ELECTRICAL DIAGNOSTICS - 1500))
2024 Dodge and Ram 1500 TRX
Section 283 ((Adaptive Front Lighting System Module - Electrical Diagnostics - 1500))
2024 Dodge and Ram 1500 TRXSECTION Section 283 ((Adaptive Front Lighting System Module - Electrical Diagnostics - 1500))
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.
- Diagnostic Code Index
- DTC Troubleshooting
- B2199-16-Battery Voltage - Circuit Voltage Below Threshold
- B2199-17-Battery Voltage - Circuit Voltage Above Threshold
- B21DD-84-System Voltage - Signal Below Allowable Range
- B21DD-85-System Voltage - Signal Above Allowable Range
- B22A9-00-Ecu Internal Performance
- B2840-87-Left Headlamp Swiveling Control - Missing Message
- B2841-87-Right Headlamp Swiveling Control - Missing Message
- B286A-01-Left Headlamp Swiveling Motor - General Electrical Failure
- B286A-2A-Left Headlamp Swiveling Motor - Stuck
- B2876-01-Right Headlamp Swiveling Motor - General Electrical Failure
- B2876-2A-Right Headlamp Swiveling Motor - Stuck
- B287E-16-Left Headlamp Module - Circuit Voltage Below Threshold
- B287E-17-Left Headlamp Module - Circuit Voltage Above Threshold
- B287F-16-Right Headlamp Module - Circuit Voltage Below Threshold
- B287F-17-Right Headlamp Module - Circuit Voltage Above Threshold
- U0037-00-Lin Bus
- U0100-00-Lost Communication With ECM/Pcm
- U0101-00-Lost Communication With TCM
- U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module
- U0140-00-Lost Communication With Body Control Module
- U0155-00-Lost Communication With Cluster-CCN
- U0212-00-Lost Communication With Steering Column Control Module
- U0401-00-Implausible Data Received From ECM/Pcm
- U0402-00-Implausible Data Received From TCM
- U0415-00-Implausible Data Received From Abs
- U0422-00-Implausible Data Received From Body Control Module
- U0423-00-Implausible Data Received From Cluster-CCN
- U0429-00-Implausible Data Received From Steering Column 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.