ECU family · Truck · Bus
The TRANSTRON 4HK1 ECU is used in truck · bus vehicles from brands such as ISUZU. The EcuPrime library holds verified solution files for this ECU family.
Performance
Typical range; the exact figure depends on the vehicle's hardware and the file. Compatibility is measured at hex level when you upload it.
Operations
Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.
Operations
Software calibration that optimises the engine's power and torque maps within safe limits. Stage 1 is available for TRANSTRON 4HK1 with a verified solution in the library: upload your original file and the software enables it only if it fits your file. Diesel (heavy-duty): +15–25% power gain, +20–30% torque gain.
By brand and ECU: ISUZU TRANSTRON 4HK1 Stage 1
Software deactivation of diesel particulate filter (DPF) functions and related fault codes. DPF Off is available for TRANSTRON 4HK1 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: ISUZU TRANSTRON 4HK1 DPF Off
A package that switches off emission systems such as DPF, EGR and AdBlue/SCR together in one file. Full Emission Off is available for TRANSTRON 4HK1 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: ISUZU TRANSTRON 4HK1 Full Emission Off
Brands
Flow
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.
Missing the operation you need? Leave a request
Brand and ECU are pre-filled; add the missing operation as a note. The most requested ECUs get solutions first. Leave an email and we will let you know when the solution is added.
Upload your file for free — see which operations workExplore
Help
Yes. The EcuPrime library has a verified Stage 1 solution for TRANSTRON 4HK1. When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified DPF Off solution for TRANSTRON 4HK1. When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified EGR Off solution for TRANSTRON 4HK1 (included in the Full Emission package). When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified AdBlue / SCR Off solution for TRANSTRON 4HK1 (included in the Full Emission package). When you upload your original file, compatibility is measured at hex level.
A module job costs 1 credit and Stage 1 costs 3 credits; no credit is charged if no result is delivered. Stage 1 + 1 module costs 4 credits; each further module +1 credit.
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