Control unit S122754252D / 9663401380 – description
We sell a used, original Siemens VDO SIM821 control unit for the SensoDrive / 2-Tronic automated manual gearbox. Before we ship it, we check it on a test bench. When choosing, compare numbers S122754252D and 9663401380 first.
Application
Confirmed application of this number: Peugeot 207 1.4 16V, Peugeot 1007 1.6. The list is not closed: if your car is missing, it may still fit, and a listed model is no guarantee. What matters is that numbers S122754252D and 9663401380 match the label of your original unit – a different letter at the end of the number means a different version.
Symptoms of a faulty gearbox control unit
A faulty gearbox control unit can cause these symptoms:
- gearbox warning light or fault message,
- no communication with the gearbox control unit in diagnostics,
- the gearbox goes into limp mode.
Before ordering, have the gearbox diagnosed – the clutch or gear-shift actuator sometimes causes similar symptoms.
Label – numbers and formats
| Label | Number (different formats) |
|---|
| Control unit number | S122754252D / S122754252 D |
| Software (SW) | SW9673794180 / 9673794180 |
| Hardware (HW) | HW9663401380 / 9663401380 |
| Control unit type | SIM821 |
Each number is shown in several spellings, because that is how it appears on labels and in search engines.
Is your number different from S122754252D?
Check similar control units in our range: S120217301C / 9658917080, S120217001C / 9658917180, S120217001D / 9661971580, S180045052A / 9666646280, S120215001D / 9652762580. Remember that the number on the label decides.
Contact and warranty
Not sure whether the number matches? Contact us. The control unit has a warranty – 6 months. Other control units: Citroën Transmission Control Units (TCU).
Questions and answers: S122754252D
| Question |
Answer |
| How do I know that S122754252D will fit? |
The label of your unit must show the same numbers: S122754252D and 9663401380, including the letter at the end. |
| 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. |
| Which cars does this control unit fit? |
Confirmed application: Peugeot 207 1.4 16V, Peugeot 1007 1.6. The label number has the final say. |
