55198931 CJ – condition, matching and fitting
Condition in which we ship the ECU
The ECU is clean – Virgin: wiped of data, immobiliser and Car Pass code. After fitting it is programmed like a new unit with Tech-2 or OP-COM. The electronics have never been repaired. We refurbished the housing and protected it against water, but it is not waterproof.
Cloning is included: send the EEPROM and FLASH files (MPC processor) or your whole old ECU. Extra cost: EGR OFF, tuning and, on versions with a DPF filter, DPF OFF. Warranty: 6 months.
How to choose the ECU
You choose the ECU by GM number 55198931 CJ – it must be the same as on yours. The label also shows:
- GM number: 55198931 CJ
- Software and hardware: MJD 6O3.S1 / HW03A
Matching by VIN is also possible – send it to us before purchase. Nothing else is needed after purchase.
Vehicle compatibility
For the Opel Corsa D 1.3 CDTI – version Z13DTH MT (Z13DTH engine, manual gearbox (MT)). The full range is in the Opel engine ECUs category and on the Magneti Marelli manufacturer page, e.g. 55195814 CP, 55195816 CM, 55198932 CL, 55566037 HJ.
Typical damage
The most common cause of 1.3 CDTI ECU failure is water: the ECU sits under the scuttle and blocked drains flood it. Symptoms include starting problems, injector control problems, rough running and misfiring – they can also have other causes, so run a diagnosis before buying. The housing of this unit is protected against water but is not waterproof – keep the water drainage from the scuttle clear.
Frequently asked questions about the 55198931 CJ ECU for the Corsa D
Will an ECU with a number other than 55198931 CJ fit?
No. The GM number on your ECU label must be the same: 55198931 CJ.
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How is the 55198931 CJ ECU programmed?
It is a clean Virgin with no data, immobiliser or Car Pass code – it is programmed like a new unit with Tech-2 or OP-COM.
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Do I need to send anything after purchase?
No, for this ECU we need no extra information. You only send data if you order cloning.
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