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 Niro Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE
Integrated Gateway Power Module DTCS
INTEGRATED GATEWAY POWER MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1101 | 00: Battery Voltage High |
| DTC B1102 | 00: Battery Voltage Low |
| DTC B1602 | 00: CAN Line Error (B-CAN) |
| DTC B1603 | 00: CAN Bus OFF (B-CAN) |
| DTC B1604 | 00: CAN Time-Out BCM |
| DTC B1607 | 00: CAN Time-Out PSM |
| DTC B1621 | 00: ECU-Failure |
| DTC B1644 | 00: CAN Time-Out ACU |
| DTC B164D | 00: CAN Time-Out WPC |
| DTC B168A | 00: CAN Time-out SMK |
| DTC B1699 | 00: CAN Time-Out AV/AVN |
| DTC B2211 | 00: CAN Time-out BMS |
| DTC B2352 | 00: Dedicated DRL LH SCG |
| DTC B2353 | 00: Dedicated DRL RH SCG |
| DTC B2517 | 00: Internal Tail Lamp Circuit Short to Ground |
| DTC B251A | 00: Rear Fog Lamp Short to Ground |
| DTC B251B | 00: Bi-function Head Lamp RH Circuit Short to Ground |
| DTC B251C | 00: Bi-function Head Lamp LH Circuit Short to Ground |
| DTC B251D | 00: Stop Lamp Right Circuit Short to Ground |
| DTC B251E | 00: Stop Lamp Left Circuit 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 Short Circuit to Ground |
| DTC B258B | 00: External Tail Lamp Front Left Short Circuit to Ground |
| DTC B258C | 00: External Tail Lamp Rear Right Short Circuit to Ground |
| DTC B258D | 00: External Tail Lamp Rear Left Short Circuit to Ground |
| DTC B2621 | 00: CAN Time-Out MLM |
| DTC B2800 | 00: CAN Bus Off Error M-CAN |
| DTC B2801 | 00: CAN Single Line Error M-CAN |
| DTC B2803 | 00: Timeout Multimedia CAN Message (AMP) |
| DTC B2804 | 00: CAN Time-Out DATC |
| DTC C160E | 00: CAN Bus Off P-CAN |
| DTC C1611 | 00: CAN Time-out EMS |
| DTC C1612 | 00: CAN Time-out TCU |
| DTC C1614 | 00: CAN time-out HCU/VCU/FCU |
| DTC C1616 | 00: CAN Bus OFF C-CAN |
| DTC C1628 | 00: CAN Time-out Cluster |
| DTC C1651 | 00: CAN Time-out EPB |
| DTC C166A | 00: CAN time-out LDWS/LKAS/MFC/LDW/LKA |
| DTC C1687 | 00: CAN Time-Out MDPS |
| DTC C1806 | 00: CAN Time-out MCU |
| DTC C1808 | 00: CAN Time-out LDC |
| DTC C1818 | 00: CAN Time-Out LCA |
| DTC C1819 | 00: CAN Time-Out TPMS |
| DTC C181A | 00: CAN Time-Out AAF |
| DTC C1827 | 00: CAN Time-Out iBAU |
| DTC C1829 | 00: CAN Time-Out OBC |
| DTC C1830 | 00: CAN Time-Out VESS |
| DTC C220B | 00: Charge Inlet Actuator Failure |
Factory Service Tools
Use the Manual With the Right Hardware
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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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