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 MANUALSKIA2021FORTE GT, AUTOMATIC DCT TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASFORWARD COLLISION-AVOIDANCE ASSIST SYSTEM DIAGNOSIS (2 OF 2)DTC INDEX
2021 Kia Forte GT, Automatic DCT Trans
DTC Index
2021 Kia Forte GT, Automatic DCT TransSECTION DTC Index
DTC Index
| DTC | Description |
|---|---|
| DTC C1633 | 81: Cluster Invalid Displayed Speed |
| DTC C1635 | 82: TCS Invalid Counter |
| DTC C1635 | 83: TCS Invalid Counter |
| DTC C1638 | 81: SCC communication error |
| DTC C1642 | 81: CAN Message Failure - Brake |
| DTC C1646 | 81: CAN Message Failure - TCU |
| DTC C1646 | 82: CAN Message Failure - TCU |
| DTC C1646 | 83: CAN Message Failure - TCU |
| DTC C16B1 | 81: AEB Error by LDWS (LKAS) Error |
| DTC C16B1 | 82: AEB Error by LDWS (LKAS) Error |
| DTC C16B1 | 83: AEB Error by LDWS (LKAS) Error |
| DTC C16B2 | 82: WHL_SPD Checksum/Alive Counter Error |
| DTC C16B2 | 83: WHL_SPD Checksum/Alive Counter Error |
| DTC C16B3 | 82: WHL_PUL Checksum/Alive Counter Error |
| DTC C16B3 | 83: WHL_PUL Checksum/Alive Counter Error |
| DTC C16B8 | 81: AEB Communication Error |
| DTC C1702 | 55: Variant Coding Error |
| DTC C1741 | 81: ESC - not available VSM (Check ESC) |
| DTC C1742 | 81: Variant Error - ESC (Check ESC) |
| DTC C1743 | 81: Software Mis - Match |
| DTC C1744 | 81: SCC Coding & AVN/Navi Option Mismatch |
| DTC C1747 | 55: Front Radar & Front View Camera Variant Coding Mismatch |
| DTC C1804 | 87: CAN time-out LKAS |
| DTC C1805 | 81: LKAS CAN Signal Error |
| DTC C1805 | 82: LKAS CAN Signal Error |
| DTC C1805 | 83: LKAS CAN Signal Error |
| DTC C180B | 87: CAN Time-Out CGW1 |
| DTC C1816 | 87: CAN time-out SJB |
| DTC C1817 | 82: CAN Signal Error Gateway |
| DTC C1817 | 83: CAN Signal Error Gateway |
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.