Engine ECU 0261S07731 / 03C907309M – IMMO OFF for VW Passat 1.4 TSI
We offer a fully tested and functional engine ECU Bosch 0261S07731 with number 03C907309M, used in Volkswagen Passat 1.4 TSI models. The unit has been prepared in IMMO OFF mode, meaning the immobilizer is disabled and the ECU operates independently with no need for key coding, PIN reading or vehicle adaptation.
The ECU is ready for immediate installation – once connected, the vehicle starts without any programming required. The module has been bench-tested for communication, sensor inputs and processor operation. The housing and electronics are protected against moisture and corrosion. Perfect as a replacement for a damaged ECU or a quick solution for immobilizer issues.
Supported models: VW Passat B6 / B7 1.4 TSI, depending on equipment and system version. It is recommended to compare ECU numbers before purchase.
Will ECU 0261S07731 / 03C907309M fit my Passat?
Yes, if your vehicle is a Volkswagen Passat 1.4 TSI and uses ECU number 03C907309M or Bosch 0261S07731, the module will be fully compatible.
What does IMMO OFF mean?
IMMO OFF means the immobilizer is disabled, allowing the ECU to operate without key coding, PIN and without adaptation in the vehicle.
Does this ECU require programming after installation?
No. The unit is prepared to work immediately after connection, with no additional steps required.
Which models use ECU 03C907309M?
This ECU is used in Volkswagen Passat B6 and B7 1.4 TSI models, depending on equipment and hardware version.
What are typical symptoms of a faulty ECU?
Common issues include no start, ignition errors, misfires, lack of communication with the ECU or engine stalling shortly after starting.