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.
2023 Kia Forte LXFACTORY OEM SERVICE PROCEDURE
Front Radar DTCS
FRONT RADAR DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| C1101-17 | Battery Voltage High |
| C1102-16 | Battery Voltage Low |
| C1202-81 | Wheel Speed Sensor Front-LH Invalid/no Signal |
| C1205-81 | Wheel Speed Sensor Front-RH Invalid/No Signal |
| C1208-81 | Wheel Speed Sensor Rear-LH Invalid/No Signal |
| C1211-81 | Wheel Speed Sensor Rear-RH Invalid/No Signal |
| C1360-81 | ESP Irreversible Error |
| C1604-04 | ECU Hardware Error |
| C160A-88 | Local CAN Bus Off |
| C160C-87 | Local CAN Time-Out |
| C1611-87 | CAN Time-Out Of EMS |
| C1612-87 | CAN Time-Out TCU |
| C1613-81 | EMS CAN Signal Failure |
| C1613-82 | EMS CAN Signal Failure - AliveCounter Error |
| C1613-83 | EMS CAN Signal Failure - Checksum Error |
| C1616-87 | C-CAN Bus-Off |
| C1620-78 | Alignment Failure - FR_RDR |
| C1623-87 | CAN Time-Out Of SAS |
| C1625-87 | CAN Time-Out Of ESC |
| C1628-87 | CAN Time-Out Of CLU |
| C1629-82 | Cluster CAN Signal Failure - Alivecounter Error |
| C1632-81 | Cluster Switch Signal Failure |
| C1633-81 | Cluster CAN Vehicle Speed Signal Failure |
| C1638-81 | SCC-ESC Communication Error |
| C1642-81 | ESC CAN Signal Failure |
| C1642-82 | CAN Message Failure - Brake |
| C1642-83 | ESC CAN Signal Failure - Checksum Error |
| C1646-81 | CAN Message Failure - TCU |
| C1646-82 | CAN Message Failure - TCU |
| C1646-83 | CAN Message Failure - TCU |
| C1651-87 | CAN Time-Out Of EPB |
| C1652-82 | EPB CAN Signal Failure - Alive Counter Error |
| C1652-83 | EPB CAN Signal Failure - Checksum Error |
| C1672-81 | Steering Angle Sensor Signal Error - Invalid |
| C1672-82 | Steering Angle Sensor Signal Error - AliveCounter Error |
| C1672-83 | Steering Angle Sensor Signal Error - CRC |
| C16B8-81 | FCA-ESC Communication Error |
| C1702-55 | Variant Coding Error |
| C1741-81 | Not Available FCA (AEB) By ESC |
| C1742-81 | ESC Option Error |
| C1747-55 | Front Radar & Front View Camera Variant Coding Mismatch |
| C1804-87 | CAN Time-Out of FR_CMR |
| C1805-81 | FR_CMR CAN Signal Failure |
| C1805-82 | FR_CMR CAN Signal Failure - Alivecounter Error |
| C1805-83 | FR_CMR CAN Signal Failure - Checksum Error |
| C1812-87 | CAN Time-Out Of Gateway |
| C1816-87 | CAN Time-Out SJB |
| C1817-82 | CGW CAN Signal Failure - Alivecounter Error |
| C1817-83 | CGW Signal Failure - Checksum Error |
| C1822-87 | CAN Time-Out Of NAVI |
| C1831-86 | NAVI CAN Signal Failure |
| C1842-81 | Yaw Rate/Longitudinal G Signal Failure |
| C1842-82 | Yaw Rate, Lateral Acceleration Or Longitudinal Acceleration Not Valid |
| C1842-83 | Yaw Rate, Lateral Acceleration Or Longitudinal Acceleration Not Valid |
| C2721-46 | System Calibration Required - FR_RDR |
| C28B6-82 | CAN Time-Out HDA |
| C28B6-83 | CAN Time-Out HDA |
| C28B6-87 | CAN Time-Out HDA |
| C28B8-81 | ESP Reversible Error |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.