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.
2020 Kia Forte EXFACTORY OEM SERVICE PROCEDURE
Integrated Central Control Unit DTCS
INTEGRATED CENTRAL CONTROL UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1101 | 00: Battery Voltage High |
| DTC B1102 | 00: Battery Voltage Low |
| DTC B1603 | 00: B-CAN Bus Off Error |
| DTC B1621 | 00: ECU-Failure |
| DTC B1644 | 00: CAN Time-Out ACU |
| DTC B164C | 00: CAN time-out IBU |
| DTC B164D | 00: CAN Time-Out WPC |
| DTC B1699 | 00: CAN Time-Out AV/AVN |
| DTC B2352 | 00: Dedicated DRL LH Short to Ground |
| DTC B2353 | 00: Dedicated DRL RH Short to Ground |
| DTC B2510 | 00: Head Lamp High RH SCG |
| DTC B2511 | 00: Head Lamp High LH SCG |
| DTC B2512 | 00: Head Lamp Low RH SCG |
| DTC B2513 | 00: Head Lamp Low LH SCG |
| DTC B2517 | 00: Internal Tail Lamp Circuit Short to Ground |
| DTC B251B | 00: Bi-function Head Lamp RH Short to Ground |
| DTC B251C | 00: Bi-function Head Lamp LH Short to Ground |
| DTC B251D | 00: Stop Lamp Right Short to Ground |
| DTC B251E | 00: Stop Lamp Left Short to Ground |
| DTC B251F | 00: High Mounted Stop Lamp Short to Ground |
| DTC B2522 | 00: Turn Signal LH Front Short to Ground |
| DTC B2523 | 00: Turn Signal LH Rear Short to Ground |
| DTC B2524 | 00: Turn Signal RH Front Short to Ground |
| DTC B2525 | 00: Turn Signal RH Rear Short to Ground |
| DTC B2559 | 00: Front Fog Lamp Right Circuit Short to Ground |
| DTC B2563 | 00: Front Fog Lamp Left Circuit Short to Ground |
| DTC B258A | 00: External Tail Lamp Front Right Circuit Short to Ground |
| DTC B258B | 00: External Tail Lamp Front Left Circuit Short to Ground |
| DTC B258C | 00: External Tail Lamp Rear Right Circuit Short to Ground |
| DTC B258D | 00: External Tail Lamp Rear Left Circuit Short to Ground |
| DTC B2610 | 00: Backup Lamp Short to Ground |
| DTC B2800 | 00: M-CAN Bus Off Error |
| DTC B2801 | 00: M-CAN Single Line Error |
| DTC B2804 | 00: CAN Time-Out DATC |
| DTC B2810 | 00: CAN Time-out PGS/AVM/FRMS/RVM |
| DTC B2817 | 00: I-CAN Bus Off Error |
| DTC C160E | 00: P-CAN Bus Off Error |
| DTC C160F | 00: D-CAN Bus Off Error |
| DTC C1611 | 00: CAN Time-out EMS |
| DTC C1612 | 00: CAN Time-out TCU |
| DTC C1616 | 00: C-CAN Bus Off Error |
| DTC C1625 | 00: CAN Time-Out ABS/ESP (ABS/ESC) |
| DTC C1628 | 00: CAN Time-out Cluster |
| DTC C1667 | 00: CAN Time-Out ACC/SCC |
| DTC C166A | 00: CAN Time-out LDWS/LKAS/MFC |
| DTC C1687 | 00: CAN Time-out VSM2 (MDPS) |
| DTC C1818 | 00: CAN Time-Out LCA/BSD/BCW |
| DTC C1867 | 00: CAN Time-Out FCA/AEB |
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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