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 RAM20231500 TRXREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 3)MODULE, ADAPTIVE FRONT LIGHTING SYSTEM
2023 Dodge and Ram 1500 TRX
Module, Adaptive Front Lighting System
2023 Dodge and Ram 1500 TRXSECTION Module, Adaptive Front Lighting System
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| 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 |
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.