Denso GEN1 original ECU files

Vehicles with a Denso GEN1

Denso GEN1 files are listed for 8 makes and 70 models, the most listed first.

How to identify your Denso GEN1 file

How the numbers on this ECU type start:

• HW 89661… 592 of the 609 files with a HW number, 97%
• SW 89663… 2 755 of the 2 756 files with a SW number, 100%

In the whole archive, 5 122 of the 5 122 files with SW 8966… are Denso units.

In the whole archive, 914 of the 914 files with HW 8966… are Denso units.

A HW number alone does not pick the file: 89661-53610 carries 5 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

Denso GEN1 map packs in figures

331 packs, 14 to 175 maps each, median 44.

Named by the most packs: Turbo pressure 86%, Rail pressure 85%, Variable Geometry Duty Cycle 80%, Torque request during standard condition 79%, Fuel quantity limiter 76%, Limiter of Maximum torque 70%, Limiter of Maximum torque f(APS) 69%, Limiter of Turbo pressure 68%.

All Denso GEN1 HW and SW numbers

194 HW numbers and 2 709 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.