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 Hyundai Veloster NFACTORY OEM SERVICE PROCEDURE
Integrated Gateway Power Module DTCS
INTEGRATED GATEWAY POWER MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1101-00 | Battery Voltage High |
| B1102-00 | Battery Voltage Low |
| B1602-00 | CAN Line Error |
| B1603-00 | CAN Bus Off |
| B1604-00 | CAN Time-Out BCM |
| B1621-00 | ECU Hardware |
| B1644-00 | CAN Time-Out ACU |
| B164D-00 | CAN Time-Out WPC |
| B168A-00 | CAN Time-Out SMK |
| B1699-00 | CAN Time-Out AV/AVN |
| B2352-00 | Dedicated DRL LH SCG |
| B2353-00 | Dedicated DRL RH SCG |
| B2510-00 | Head Lamp High RH SCG |
| B2511-00 | Head Lamp High LH SCG |
| B2512-00 | Head Lamp Low RH SCG |
| B2513-00 | Head Lamp Low LH SCG |
| B2517-00 | Internal Tail Lamp Circuit Short To Ground |
| B251B-00 | Bi-Function Head Lamp RH Circuit Short To Ground |
| B251C-00 | Bi-Function Head Lamp LH Circuit Short To Ground |
| B251D-00 | Stop Lamp Right Circuit Short To Ground |
| B251E-00 | Stop Lamp Left Circuit Short To Ground |
| B251F-00 | High Mounted Stop Lamp Short To Ground |
| B2522-00 | Turn Signal LH Front Short To Ground |
| B2523-00 | Turn Signal LH Rear Short To Ground |
| B2524-00 | Turn Signal RH Front Short To Ground |
| B2525-00 | Turn Signal RH Rear Short To Ground |
| B258A-00 | External Tail Lamp Front Right Short Circuit To Ground |
| B258B-00 | External Tail Lamp Front Left Short Circuit To Ground |
| B258C-00 | External Tail Lamp Rear Right Short Circuit To Ground |
| B258D-00 | External Tail Lamp Rear Left Short Circuit To Ground |
| B2610-00 | Backup Lamp Short Circuit To Ground |
| B2800-00 | MM CAN Bus Off Error |
| B2801-00 | MM CAN Single Line Error |
| B2804-00 | Timeout Multimedia CAN Message (DATC) |
| C160F-00 | D-CAN Bus Off |
| C1611-00 | CAN Time-Out EMS |
| C1612-00 | CAN Time-Out TCU |
| C1616-00 | C-CAN Bus Off |
| C1625-00 | CAN Time-Out ABS-ESP |
| C1628-00 | CAN Time-Out Cluster |
| C1667-00 | CAN Time-Out SCC |
| C166D-00 | CAN Time-Out HUD |
| C1687-00 | CAN Time-Out VSM2 (MDPS) |
| C1804-00 | CAN Time-Out LKAS |
| C1818-00 | CAN Time-Out LCA |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.