ECU 55590157 WH for Opel Astra H / Zafira B – clean, PIN-free, ready to use
We offer a reset engine ECU for Opel Astra H and Zafira B with the 1.7 CDTI engine. The 55590157 WH model with board MB275800-8126 has been fully cleared and is in VIRGIN mode – no data from the previous vehicle and no PIN code.
The unit requires coding with TECH-2 or OP-COM, allowing seamless pairing with the new vehicle.
The ECU housing with number 55590157 has been thoroughly cleaned, refurbished and coated with a protective layer to shield the electronics from moisture and water. The module is fully functional, bench-tested and ready for operation.
Will the 55590157 WH ECU fit my vehicle?
Yes, the 55590157 WH ECU is compatible with Opel Astra H and Zafira B equipped with the 1.7 CDTI engine. The key requirement is that your original ECU has the same part number 55590157.
Is the 55590157 WH ECU in VIRGIN mode?
Yes. The module has been fully reset and is in VIRGIN mode, meaning no previous vehicle data and no PIN code.
What coding is required after installation?
After installing the unit, coding with TECH-2 or OP-COM is necessary. The process is quick and simple, and once completed the ECU works like new.
Has the ECU been tested before sale?
Yes. Each unit is bench-tested, and the housing has been refurbished and sealed against moisture and water.
What are typical symptoms of a faulty 55590157 ECU?
Common symptoms include: hard starting, no ECU communication, engine stalling, sensor errors and limp mode activation without visible cause.