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.
2021 Kia Forte EXFACTORY OEM SERVICE PROCEDURE
Electronic Stability Control (ESC) System DTCS
ELECTRONIC STABILITY CONTROL (ESC) SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1101 | 01: Battery Voltage High |
| DTC C1102 | 01: Battery Voltage Low |
| DTC C1200 | 01: Wheel Speed Sensor Front-LH Open/Short |
| DTC C1201 | 02: Wheel Speed Sensor Front-LH Range/Performance/Intermittent |
| DTC C1202 | 02: Wheel Speed Sensor Front-LH Invalid/No Signal |
| DTC C1203 | 01: Wheel Speed Sensor Front-RH Open/Short |
| DTC C1204 | 02: Wheel Speed Sensor Front-RH Range/Performance/Intermittent |
| DTC C1205 | 02: Wheel Speed Sensor Front-RH Invalid/no Signal |
| DTC C1206 | 01: Wheel Speed Sensor Rear-LH Open/Short |
| DTC C1207 | 02: Wheel Speed Sensor Rear-LH Range/Performance/Intermittent |
| DTC C1208 | 02: Wheel Speed Sensor Rear-LH Invalid/no Signal |
| DTC C1209 | 01: Wheel Speed Sensor Rear-RH Open/Short |
| DTC C1210 | 02: Wheel Speed Sensor Rear-RH Range/Performance/Intermittent |
| DTC C1211 | 02: Wheel Speed Sensor Rear-RH Invalid/no Signal |
| DTC C1235 | 01: Pressure Sensor (Primary) - Electrical |
| DTC C1237 | 02: Pressure Sensor - Other |
| DTC C1260 | 02: Steering Angle Sensor Circuit 342200223 Signal |
| DTC C1261 | 04: Steering Angle Sensor is not Calibrated |
| DTC C1283 | 02: Lateral G Sensor/Longitudinal G Sensor/Yaw Rate Sensor - Signal Error |
| DTC C1285 | 04: Uncalibrated Ax Signal |
| DTC C1286 | 01: Uncalibrated Ax Signal |
| DTC C1503 | 01: TCS Switch Error |
| DTC C1542 | 01: Brake Circuit Error |
| DTC C1604 | 04: ECU Hardware Error |
| DTC C1611 | 08: CAN Time-out EMS |
| DTC C1612 | 08: CAN Time-out TCU |
| DTC C1613 | 08: CAN Signal Error EMS |
| DTC C1616 | 08: C-CAN Bus OFF |
| DTC C1620 | 08: 1st Set-up Not Completed |
| DTC C1623 | 08: CAN Time-out Steering Angle Sensor |
| DTC C1626 | 04: Implausible Control |
| DTC C1638 | 08: SCC Communication Error |
| DTC C1643 | 08: CAN Time-out Yaw Rate & G Sensor |
| DTC C1649 | 08: CAN Time-out EMS for ACC/SCC |
| DTC C1650 | 08: CAN signal error ACC |
| DTC C1656 | 08: CAN Signal Error - Cluster |
| DTC C1680 | 01: VSM EBS Error |
| DTC C1687 | 08: CAN Time-out VSM2 (MDPS) |
| DTC C1688 | 08: VSM2 (MDPS) Signal Error |
| DTC C1702 | 04: Variant Coding Error |
| DTC C1734 | 17: Overvoltage Detected |
| DTC C1807 | 08: Sub CAN Bus OFF |
| DTC C1812 | 08: CAN Time-out Gateway |
| DTC C2112 | 02: Valve Relay Error |
| DTC C2227 | 01: Excessive Temperature Of Brake Disc |
| DTC C2380 | 01: ABS/TCS/ESP valve error |
| DTC C2402 | 01: Motor Electrical |
Factory Service Tools
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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.
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