Peugeot 206 ECU problems: a practical guide to the most common faults

The Peugeot 206 control unit is often a source of problems, especially in older models. Let's look at three common problems what causes them, and how to fix them.

Case 1 – Engine light on and car jerking
A common fault involves error P0606which is related to an internal ECU malfunction. Often the problem is software: updating the firmware or reprogramming it can solve the problem.

Case 2 – The car won't start when cold.
In many cases, the fault lies in a lack of communication between the control unit and the sensorsor in damaged wiring. A precise diagnosis of the electrical network is required.

Case 3 – The control unit fails after an engine wash
La Moisture is the main enemy . Damage is often visible to the naked eye on the pins or in the control unit itself. It's best not to start the car and contact an expert immediately .

Conclusion
The 206 has a repairable control unit in most cases. A quick diagnosis can avoid major expenses.