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 K5 GT-Line, FWDFACTORY 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 B1605 | 00: CAN Time-Out DDM |
| DTC B1607 | 00: CAN Time-Out P/SEAT |
| DTC B1621 | 00: ECU-Failure |
| DTC B1636 | 00: LIN Error |
| DTC B1640 | 00: CAN Time-Out MFSW |
| 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 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 B2619 | 00: CAN Time-Out SHVU FR |
| DTC B2620 | 00: CAN Time-Out SHVU RR |
| DTC B2621 | 00: CAN Time-Out MLM |
| DTC B2800 | 00: M-CAN Bus Off Error |
| DTC B2801 | 00: M-CAN Single Line Error |
| DTC B2803 | 00: Timeout Multimedia CAN Message (AMP) |
| 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 |
| 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 C1627 | 00: CAN Time-Out 4WD |
| DTC C1628 | 00: CAN Time-Out Cluster |
| DTC C1651 | 00: CAN Time-Out EPB |
| DTC C1659 | 00: CAN Time-Out SAS |
| DTC C1667 | 00: CAN Time-Out ACC/SCC |
| DTC C166A | 00: CAN Time-Out LDWS/LKAS/MFC/LDW/LKA |
| DTC C166D | 00: CAN Time-Out HUD |
| DTC C1687 | 00: CAN Time-Out MDPS |
| DTC C1818 | 00: CAN Time-Out LCA/BSD/BCW |
| DTC C181D | 00: CAN Time-Out EVP |
| DTC C1866 | 00: CAN Time-Out ICSC |
| DTC C1867 | 00: CAN Time-Out FCA/AEB |
| DTC C2009 | 00: CAN Time-Out RSPA |
| DTC C200E | 00: CAN Time-Out ADAS PRK |
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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