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Zuce Shop

Zuce Shop

Official distributor for Magicmotorsport tuning equipment for Australia and New Zealand.

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Email: [email protected]

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  • UTC4 OBD Protocol Release: Enhance ECU Tuning and Remapping Software Performance
UTC4 OBD Protocol Release: Enhance ECU Tuning and Remapping Software Performance
Krishna Maharjan
Monday, 30 March 2026 / Published in Flex

UTC4 OBD Protocol Release: Enhance ECU Tuning and Remapping Software Performance

Flex version 7.53.0.0 is now available!

The UTCU4 transmission control unit, commonly found in the Ford F-250 and F-350 with powerful 6.7L and 7.3L engines, is now fully supported for OBD operations via Flex. This opens a world of possibilities for ECU and TCU remapping and performance tuning.

Programming is exceptionally straightforward and safe. Just connect the red OBD cable from your Flex kit to the vehicle’s diagnostic port, and you’re set to dive into comprehensive map reading and rewriting functionalities.

The latest update, 7.53.0.0, not only optimizes your shift times but also empowers you with enhanced driving customization and reduces fuel consumption. It’s an essential tool in the arsenal of any serious tuner.

Note:

Currently available version: UTCU400_FT3_200.

Supported Vehicles for ECU & TCU Remapping

  • Ford F-250 Super Duty (V) 6.7L Power Stroke V8 TD 475HP (2023MY)
  • Ford F-350 Super Duty (V) 6.7L Power Stroke V8 TD 500HP (2023MY)
  • Ford F-350 Super Duty (V) 7.3L Godzilla V8 424HP (2023MY)


Check all supported vehicles

New Protocols Available for Your Software Packages:

OBD Protocols

  • FLS0.5M – SW Flex Full Master
  • FLS0.5S – SW Flex Full Slave
  • FLS0.15M – SW Flex Heavy Duty OBD/Bench/Boot Master
  • FLS0.15S – SW Flex Heavy Duty OBD/Bench/Boot Slave


Buy Software {exclusive deal available now}

Recently Added Protocols:

OBD Protocols

  • Ford Fomoco UTCU4 TC387 Read/Write/Checksum Calculation Maps

Writing Time

1 minute

Reading Time

2 minutes 30 seconds

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