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Operation

Decat Software: Catalyst Off / Cat Delete by ECU Family

Catalyst monitoring and related fault codes are switched off in the software.

CarTruck · BusMotorcycle
Free pre-checkECU identification and applicable operations without credits
Credit only on successNo charge if it fails
Byte-level checksUnverified results are labelled
PrimeChecksumbuilt-in checksum engine

Benefits

What you get with Decat / Catalyst Off

Supported vehicle types

CarTruck · BusMotorcycle

Credits

A module job costs 1 credit (any number of modules in one job); Stage 1 costs 2 credits for cars/bikes and 3 credits for trucks, tractors and construction machines. With Stage 1, each module you add costs +1 credit (Stage 1 + 1 module: 3 credits for cars/bikes, 4 credits for trucks, tractors and construction machines). No credit is charged for a job without a result.

Delivery rule

The solution is verified at byte level as it is applied; if one of your selected operations cannot be applied, the file is not delivered and the credit is refunded.

Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.

Chiptuning guide: what is Decat / Catalyst Off? →

Featured

Featured ECU families

Brands

Brands with Decat / Catalyst Off solutions

Tap a brand to open its ECUs in the list.

Flow

How it works

Upload

Upload your original ECU file

Select

The system detects the ECU from the file and enables only genuinely applicable solutions

Process

The solution is verified at hex level and applied

Download & Checksum

Credit is charged only on successful delivery. The checksum is corrected in a separate tab with the built-in PrimeChecksum.

ECU families

All ECU families supporting this operation

Brand + ECU

Decat by brand and ECU

Tap a brand: the ECU pages of that brand with a verified solution for this operation open.

Car

ALFA ROMEO Decat
AUDI Decat
BMW Decat
CITROEN Decat
DACIA Decat
FERRARI Decat
FIAT Decat
FORD Decat
HONDA Decat
HYUNDAI Decat
JAGUAR Decat
KIA Decat
LAND ROVER Decat
MERCEDES-BENZ Decat
MINI Decat
NISSAN Decat
OPEL Decat
PEUGEOT Decat
PORSCHE Decat
RENAULT Decat
SEAT Decat
SKODA Decat
TOYOTA Decat
VOLKSWAGEN Decat
VOLVO Decat

Operations

Other operations

Apply this operation yourself in Studio

In EcuPrime Studio, Ready solutions measures a verified recipe for your file's ECU family (if one exists) against your file and applies the one you choose; or edit the maps yourself in Hex, Table, 2D and 3D view.

See the ECU remapping software →

Help

Frequently asked questions

How is a Decat / Catalyst Off file made?

How it works: upload your original ECU file → the system detects the ECU from the file and enables only genuinely applicable solutions → the solution is verified at hex level and applied → credit is charged only on successful delivery. The checksum is corrected in a separate tab with the built-in PrimeChecksum.

Which ECUs support Decat / Catalyst Off?

The full list of ECU families with verified solutions is on this page by vehicle type.

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