What should I look for when choosing 51869510?
Original, used Magneti Marelli control unit for an automated manual gearbox. The key number to compare is 51869510. Every unit is bench-tested before shipping.
Numbers on the label
| Label | Number (different formats) |
| Fiat number | 51869510 |
Application
We do not list models because we have not confirmed them for this number – this is a control unit for Fiat group cars (Fiat numbering). What matters is that number 51869510 matches the label of your original unit – a different ending of the number means a different version.
Other versions in stock
Similar control units with different numbers – the number on your label decides: 51905083 / CFC30BF.06, 51808084 / CFC328F.01, 51856403 / CFC328F.02, 55250921 / CFC328F.02, 51900169 / CFC328F.16.
Fitting
The module does not need programming. Before ordering, compare the numbers with the label of your unit.
Symptoms of a faulty gearbox control unit
- the gearbox goes into limp mode,
- no communication with the gearbox control unit in diagnostics,
- gearbox warning light or fault message,
- the gearbox will not engage a gear or stays in neutral (N).
Similar symptoms can be caused by the clutch or gear-shift actuator, so a gearbox diagnosis before buying is worthwhile.
Warranty and contact
The control unit comes with a 6-month warranty. More control units: Fiat Transmission Control Units (TCU). Question about a number? Contact us.
Frequently asked questions about control unit 51869510
| Question |
Answer |
| How do I check whether the unit fits my car? |
Compare number 51869510 with the label of your unit – it must match, including the ending. |
| Does the module need programming? |
No, the module does not need programming. |
| Which cars does this control unit fit? |
We have not confirmed models for this number – choose it by the label numbers. |
| Is this an automatic gearbox control unit? |
It controls an automated manual gearbox: a conventional gearbox with a clutch, where gear changes and the clutch are operated by electronically controlled actuators. It is not a torque-converter automatic. |