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 MANUALSHYUNDAI2014EQUUS SIGNATUREREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXADAPTIVE FRONT LIGHTING SYSTEM DTCS
2014 Hyundai Equus Signature
Adaptive Front Lighting System DTCS
2014 Hyundai Equus SignatureSECTION Adaptive Front Lighting System DTCS
ADAPTIVE FRONT LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE DESCRIPTION
| DTC | Description |
|---|---|
| DTC B1101 | Battery Voltage High |
| DTC B1102 | Battery Voltage Low |
| DTC B1220 | Vehicle Speed Sensor |
| DTC B1301 | Steering angle signal fault |
| DTC B1302 | Gearbox Signal Fault-CAN Signal |
| DTC B1303 | Accelerator Pedal Position Signal Error |
| DTC B1304 | Engine state signal fault |
| DTC B1305 | Yaw Rate Sensor Signal Fault |
| DTC B1306 | Brake pedal signal fault |
| DTC B1307 | Air suspension ECU sensor signal invalid |
| DTC B1308 | Lamp Function Signal Fault |
| DTC B1510 | AFLS switch/button fault |
| DTC B1592 | Head lamp Switch Fault |
| DTC B1594 | M/F Auto Position Signal Fault |
| DTC B1603 | CAN Communication Bus Off |
| DTC B1621 | ECU Hardware Error |
| DTC B1622 | ECU Software Error |
| DTC B1636 | LIN Communication Error Fault |
| DTC B1637 | System Not Initialized |
| DTC B1638 | CAN time-out Air Suspension |
| DTC B1639 | LIN communication error DBL left |
| DTC B1640 | LIN communication error DBL right |
| DTC B1641 | LIN communication error LWR left |
| DTC B1642 | LIN communication error LWR right |
| DTC B1661 | Parameter Fault And Missing |
| DTC B1905 | Sensor Power Supply Fault |
| DTC B1907 | Front sensor signal fault |
| DTC B1908 | Rear sensor PWM signal fault |
| DTC B1909 | Rear sensor signal fault |
| DTC B1953 | AXLE Sensor Fault |
| DTC B2200 | LIN communication error DBL (Dynamic Bending Light) Right |
| DTC B2201 | LIN communication error HLL (Head Lamp Leveling) Left |
| DTC B2202 | LIN communication error HLL (Head Lamp Leveling) Right |
| DTC B2325 | Swivel module fault left |
| DTC B2326 | Swivel module fault right |
| DTC B2400 | Levelling motor fault left |
| DTC B2401 | Levelling motor fault right |
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.