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.
DTC B2800-00: CAN Bus Off Error M CAN: General Description
2017 Hyundai Ioniq ElectricSECTION General Description
CGW* is installed inside IGPM*. It enables communication between different networks in vehicle CAN networks.
NOTE:
CGW*
(Central GateWay): "GATEWAY"
IGPM* (Integrated Gateway & Power control Module): "IGPM" ("GATEWAY" + "IPS CONTROL MODULE")
IGPM* (Integrated Gateway & Power control Module): "IGPM" ("GATEWAY" + "IPS CONTROL MODULE")
RENDER: 1.0x
NO RELATED
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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.