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 428 ((TRAILER TIRE PRESSURE MODULE - ELECTRICAL DIAGNOSTICS - 1500))
2024 Dodge and Ram 1500 TRX
Section 428 ((Trailer Tire Pressure Module - Electrical Diagnostics - 1500))
2024 Dodge and Ram 1500 TRXSECTION Section 428 ((Trailer Tire Pressure 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
- C2209-00-Tire Pressure Monitor Internal-
- 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
- U0001-00-Can C Bus-
- U0401-00-Implausible Data Received From ECM/Pcm-
- U0422-00-Implausible Data Received From Body Control Module-
- U0423-00-Implausible Data Received From Cluster/CCN-
- U0485-00-Implausible Data Received From Radio-
- U116B-00-Lost Communication With Trailer Interface Module-
- U151C-31-Implausible Data Received From Trailer Interface Module-No Signal
- Standard Procedure
RENDER: 1.0x
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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.