89663-04260 Denso GEN1 original ECU file – Toyota Tundra 4.0 238hp

SW89663-04260

Vehicle: Toyota Tundra
Engine: 4.0 238hp
ECU: Denso GEN1
SW: 89663-04260
Also written: 89663 04260 · 8966304260
In the archive since: 2026-10-16

SW numbers next to 89663-04260

The closest SW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.

SW	Listed for
89663-02Z90	Toyota Corolla 1.6 125hp
89663-02Z91	Toyota Corolla 1.6 126hp
89663-04151	Toyota Tacoma 2.7 159hp 2TR-FE
89663-04162	Toyota Tacoma 2.7 159hp
89663-04242	Toyota Tacoma 2.7 159hp
89663-04264	Toyota Tundra 4.0 238hp
89663-04290	Toyota Tundra 4.0 238hp
89663-04294	Toyota Tundra 4.0 238hp 1GR-FE
89663-04303	Toyota Tacoma 4.0 239hp
89663-04333	Toyota Tacoma 4.0 239hp 1GR-FE

Other numbers for the Toyota Tundra 4.0 238hp

6 files cover exactly this car and engine, on Denso GEN1 (6). If your ECU reads differently from this page, 2 of the others:

SW 89663-0C350 SW 89663-0C862

This ECU and car in figures

Denso GEN1: 2 753 files, 2 709 SW numbers, 331 with a map pack. Makes: Toyota (2 169), Lexus (425), Hino (113), Toyota BUS (38). Most listed: Toyota Hilux (322), Toyota Land Cruiser (279), Lexus IS (171), Toyota Corolla (145).

Toyota Tundra: 103 files. ECU types: Denso GEN1 (64), Denso, type not listed (27), Denso D76F019XXX (11), Denso RX703200 (1). Engine codes: 3UR-FE (34), 3UR-FBE (20), 2UZ-FE (4), 1GR-FE (3).

5 122 of the 5 122 files here with SW 8966… are Denso units.

What you get

The original (stock) read of this ECU as listed, as a ready-to-use .bin file by e-mail.
File sizes differ between tools and read methods — check that the numbers match your ECU before buying.
Original read only: no full backup, EEPROM or tuned file.
A digital file: all sales are final — no refunds. Terms of sale

Other files for the Toyota Tundra

Toyota Tundra5.7 381hp