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 RAM20232500 HD POWER WAGONREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 2) - 2500HDMODULE, ADAPTIVE FRONT LIGHTING SYSTEM
2023 Dodge and Ram 2500 HD Power Wagon
Module, Adaptive Front Lighting System
2023 Dodge and Ram 2500 HD Power WagonSECTION Module, Adaptive Front Lighting System
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B2204-00 | ECU CONFIGURATION MISMATCH |
| B22A4-00 | ADAPTIVE FRONT LIGHTING SYSTEM NOT CALIBRATED |
| B286A-01 | LEFT HEADLAMP SWIVELING MOTOR - GENERAL ELECTRICAL FAILURE |
| B286A-2A | LEFT HEADLAMP SWIVELING MOTOR - STUCK |
| B286B-01 | LEFT HEADLAMP SWIVELING POSITION SENSOR - GENERAL ELECTRICAL FAILURE |
| B2876-01 | RIGHT HEADLAMP SWIVELING MOTOR - GENERAL ELECTRICAL FAILURE |
| B2876-2A | RIGHT HEADLAMP SWIVELING MOTOR - STUCK |
| B2877-01 | RIGHT HEADLAMP SWIVELING POSITION SENSOR - GENERAL ELECTRICAL FAILURE |
| 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 |
| U0001-00 | CAN C BUS |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM "A" |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0121-00 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE "A" |
| U0132-00 | LOST COMMUNICATION WITH SUSPENSION CONTROL MODULE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0212-00 | LOST COMMUNICATION WITH STEERING COLUMN CONTROL MODULE |
| U0421-00 | IMPLAUSIBLE DATA RECEIVED FROM SUSPENSION CONTROL MODULE |
| U1221-00 | LOST COMMUNICATION WITH LEFT HEADLAMP 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.