How to Choose CG FC200 DB15 Cable for Honda Acura KEIHIN ECUs?

Working on Honda and Acura KEIHIN ECUs with CG FC200 ECU programmer requires using the correct combination of software and DB15 cables. Selecting the wrong cable for your software version leads to communication errors and failed reads.

This guide breaks down how to choose between the old DB15 cable and the new DB15 cable based on your current setup.

New CG FC200 DB15 Cable:

• Function: ECU reading/writing with FC200
• Newly added 12V Control (orange) and GPT-4 3.3V (gray) wires

Full cables overview

• Red 12V
• Orange 12 Ctrl
• Black GND
• Green CAN H
• Yellow CAN L
• White K-line
• Brown GPT-0 5V
• Purple GPT-1 5V
• Pink GPT-2 3.3V
• Blue GPT-3 3.3V
• Gray GPT-4 3.3V

Cable Selection Matrix

Key Differences between the Cables

• Old DB15 Cable: Requires users to manually disconnect and reconnect pin wires during reading and writing tasks on KEIHIN ECUs. Works only on FC200 software V1.3.9.1.
• New DB15 Cable: Handles internal signal switching automatically. Users do not need to pull or swap pins manually during operation. Required for FC200 software V1.4.0.0.

Supported Honda & Acura KEIHIN ECU Models

This new FC200 DB15 Cable requirement applies specifically to KEIHIN ECUs equipped with SH7058 and SH72543 microcontrollers:

SH7058 Part Numbers:

• 37820-R48-H73
• 37820-R48-H71
• 37820-R62-H13
• 37820-R62-H65
• 37820-RZS-F53
• 37820-RZT-H64
• 37820-RZS-F54
• 37820-RZT-H12
• 37820-R62-H64
• 37820-R62-H71

SH72543 Part Numbers:

• 37820-RLH-H53
• 37820-RLH-H63
• 37820-RLH-H62

Which Setup Should You Use?

• If you already have New FC200 DB15 Harness:

Update your software to FC200 V1.4.0.0 for faster, pin-free connections.

• If you only have Old DB15 cable:

Keep your software on version V1.3.9.1. CG FC200 will continue to read and write supported KEIHIN ECUs normally without requiring hardware upgrades.

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