XirDecoder DTC Chip Tuning All Solutions Software v3.4 is now officially released on April.22,2026, bringing major performance upgrades, new ECU support, and advanced tuning capabilities for professionals in the automotive remapping industry.
This latest XirDecoder update focuses on delivering faster operation, stronger stability, and expanded ECU compatibility to help users complete tuning and DTC solutions more efficiently.
What’s New in XirDecoder v3.4?
With the new XirDecoder v3.4 update, users can now enjoy:
Faster and More Powerful Performance
The software has been optimized to run faster and smoother, improving workflow speed for chip tuning professionals and repair workshops.
New ECU Support Added
We are proud to announce support for multiple new ECU types, expanding the growing database inside XirDecoder.
Citroen EVPT VCU3000 Speed Limit Removal
A major highlight of version 3.4 is the ability to perform speed limit removal for Citroen EVPT VCU3000 ECU systems.
This gives tuners more flexibility when working on modern Citroen electric vehicle platforms.
Automatic Server-Side Updates
All XirDecoder software updates continue to be managed automatically through the server system. Users do not need to perform any manual update process.
This ensures every user always has access to the newest protocols, features, and improvements instantly.
New ECU Protocol Information Published
Additional ECU protocol information has been activated and published in this release, allowing users to work on more vehicle models and systems.
XirDecoder Update Details：
v3.4 [22.4.2026]
ADDED :CITROEN VCU3000 VMAX
ADDED :PEUGEOT/CITROEN VD56.12 DTC
ADDED :PEUGEOT/CITROEN VD56.12 CAT
ADDED :PEUGEOT/CITROEN VD56.12 LAMBDA
ADDED :PEUGEOT/CITROEN VD56.12 TVA
ADDED :FORD MED17.0.1 DTC
ADDED :FORD MED17.0.1 CAT
ADDED :FORD MED17.0.1 LAMBDA
ADDED :FORD MED17.0.1 MAF
ADDED :FORD MED17.0.1 TVA
ADDED :MAZDA S5xx (DENSO) DTC
ADDED :MAZDA S5xx (DENSO) CAT
ADDED :MAZDA S5xx (DENSO) EGR
ADDED :MAZDA S5xx (DENSO) LAMBDA
ADDED :MAZDA S5xx (DENSO) MAF
ADDED :MAZDA S5xx (DENSO) TVA
ADDED :SAAB EDC16_C39 DTC
ADDED :SAAB EDC16_C39 EGR
ADDED :SAAB EDC16_C39 LAMBDA
ADDED :SAAB EDC16_C39 MAF
ADDED :SAAB EDC16_C39 TVA
ADDED :DACIA/NISSAN/RENAULT EMS_3161 DTC
ADDED :DACIA/NISSAN/RENAULT EMS_3161 CAT
ADDED :DACIA/NISSAN/RENAULT EMS_3161 LAMBDA
ADDED :DACIA/NISSAN/RENAULT EMS_3161 OPF GPF
ADDED :DACIA/NISSAN/RENAULT EMS_3161 POPBANG
ADDED :DACIA/NISSAN/RENAULT EMS_3161 TVA
ADDED :DACIA/NISSAN/RENAULT EMS_3161 VMAX
ADDED :DACIA/NISSAN/RENAULT V40 DTC
ADDED :DACIA/NISSAN/RENAULT V40 CAT
ADDED :DACIA/NISSAN/RENAULT V40 LAMBDA
ADDED :DACIA/NISSAN/RENAULT V40 TVA
ADDED :DACIA/NISSAN/RENAULT V42 DTC
ADDED :DACIA/NISSAN/RENAULT V42 CAT
ADDED :DACIA/NISSAN/RENAULT V42 LAMBDA
ADDED :DACIA/NISSAN/RENAULT V42 TVA
ADDED :DACIA/NISSAN/RENAULT V50 DTC
ADDED :DACIA/NISSAN/RENAULT V50 CAT
ADDED :DACIA/NISSAN/RENAULT V50 LAMBDA
ADDED :DACIA/NISSAN/RENAULT V50 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5 VMAX
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.20 VMAX
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.22 VMAX
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.24 VMAX
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.26 VMAX
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 DTC
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 CAT
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 LAMBDA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 POPBANG
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 TVA
ADDED :AUDI/SEAT/SKODA/VW ME17.5.6 VMAX
