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.
Diagnostic Code Index
2024 Dodge and Ram 1500 TRXSECTION Diagnostic Code Index
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 | Description |
|---|---|
| B129E-78 | LEFT BLIND SPOT SENSOR - ALIGNMENT OR ADJUSTMENT INCORRECT |
| B2199-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2204-00 | ECU CONFIGURATION MISMATCH |
| B22A9-04 | ECU INTERNAL PERFORMANCE - SYSTEM INTERNAL FAILURES |
| C212A-16 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C212A-17 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0203-00 | LOST COMMUNICATION WITH LEFT FRONT DOOR MODULE |
| U0204-00 | LOST COMMUNICATION WITH RIGHT FRONT DOOR MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U11FA-00 | LOST COMMUNICATION WITH RIGHT BLIND SPOT SENSOR |
RENDER: 1.0x
NO RELATED
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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.