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 Hyundai Veloster 2.0, Automatic TransFACTORY OEM SERVICE PROCEDURE
Integrated Gateway Power Control Module DTCS
INTEGRATED GATEWAY POWER CONTROL 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 |
| DTC B1603 | 00: CAN Bus OFF |
| DTC B1604 | 00: CAN Time-Out BCM |
| DTC B1621 | 00: ECU hardware |
| DTC B1644 | 00: CAN Time-Out ACU |
| DTC B1648 | 00: CAN Time-Out ODS |
| DTC B164D | 00: CAN Time-Out WPC |
| DTC B168A | 00: CAN Time-out SMK |
| DTC B1699 | 00: CAN Time-Out AV/AVN |
| DTC B2352 | 00: Dedicated DRL LH SCG |
| DTC B2353 | 00: Dedicated DRL RH SCG |
| 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 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 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 B2610 | 00: Backup Lamp Short Circuit to Ground |
| DTC B2800 | 00: MM CAN Bus Off Error |
| DTC B2801 | 00: MM CAN Single Line Error |
| DTC B2804 | 00: Timeout Multimedia CAN Message (DATC) |
| 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 |
| DTC C1625 | 00: CAN Time-Out ABS/ESP |
| DTC C1628 | 00: CAN Time-out Cluster |
| DTC C1667 | 00: CAN Time-out SCC |
| DTC C166D | 00: CAN Time-Out HUD |
| DTC C1687 | 00: CAN Time-Out VSM2 (MDPS) |
| DTC C1804 | 00: CAN Time-out LKAS |
| DTC C1818 | 00: CAN Time-Out LCA |
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.