Bench wiring and boot reference

Hyundai / Kia SIM2K-241 pinout

Two connector layouts for the Continental SIM2K-241 ECU. Match your connector housing and circuit board to the same option below, then use its connector diagram and boot images together.

Hyundai
Kia
SIM2K-241
Boot access · ECU opened

Red marks the power feeds, black marks ground, and white/green mark the main CAN pair. Match CAN H/L to your tool's harness. These are boot-mode bench references; access to the marked points requires opening the ECU.

Option 1

B1: 60 positions · B2: 94 positions

Connector pinout

B1 is on the left and B2 is on the right. The marked connections are on B2.

Redline SIM2K-241 Option 1 pinout: B1 on the left, B2 on the right, red power feeds, black ground and the white/green main CAN pair — Open full-size Option 1 connector diagram

Power · red: B2 · 6 and 51
Ground · black: B2 · 3
Main CAN pair · white/green: B2 · 77 and 78

Board overview

SIM2K-241 Option 1 board with connectors at the bottom and an orange outline around the processor and boot area — The orange outline identifies the area shown in this option's close-up. Keep the connectors at the bottom when matching the board.

Boot-pin close-up

SIM2K-241 Option 1 processor close-up with two boot-point arrows and the 100 ohm resistor connection marked above — The reference marks two points and a 100 Ω connection. Match the pads and surrounding components exactly; follow your tool's instructions for connection and power sequencing.

Option 2

B1: 105 positions · B2: 91 positions

Connector pinout

B1 is on the left and B2 is on the right. The marked connections are on B2. This diagram uses the main CAN channel only; CAN2 connections are omitted.

Redline SIM2K-241 Option 2 pinout: B1 on the left, B2 on the right, red power feeds, black ground and the white/green main CAN pair — Open full-size Option 2 connector diagram

Power · red: B2 · 5, 41 and 75
Ground · black: B2 · 1
Main CAN pair · white/green: B2 · 77 and 60

Board overview

SIM2K-241 Option 2 board with connectors at the bottom and an orange outline around the processor and boot area — The orange outline identifies the area shown in this option's close-up. Keep the connectors at the bottom when matching the board.

Boot-pin close-up

SIM2K-241 Option 2 processor close-up with three boot-point arrows and the 100 ohm resistor connection marked above — The reference marks three points and a 100 Ω connection. Match the pads and surrounding components exactly; follow your tool's instructions for connection and power sequencing.

Hyundai and Kia coverage

This guide covers the two illustrated Continental SIM2K-241 layouts used by Hyundai and Kia. Confirm the ECU label, connector layout and circuit board together. The diagrams document connections; available read and write operations depend on the selected tool and protocol.

Hyundai SIM2K-241 · Kia SIM2K-241 · All ECU pinouts