When the electronics start behaving unpredictably: observations on the Bosch 0261207038 / ME2.7 / Mercedes. Sometimes the most difficult situations to diagnose do not present clear symptoms

When the response is delayed: the hidden quirks of the Siemens 5WP45561 / Simos PPD / Škoda. Not every system gives clear signals when something goes beyond the limits of

When the system remains silent: the unusual behaviour of the Siemens 5WK90007 / MS43 / BMW. There are situations in which the absence of information speaks louder than any recorded error.

When logic takes precedence over symptoms: the hidden challenges in Bosch 0261S02047 / MED9.5.10 / Seat. Sometimes the greatest difficulties do not stem from the obvious, but from what remains

When the control system starts to lose accuracy – observations on the Continental SID208 / S180140001D / Ford. In the reality of the workshop, there is one type of car that doesn’t come in

Cases where the engine is running ‘at the limit’ – observations on the Bosch MA1.7.3 / 0261204406 / Fiat. In workshop practice, there are control units that do not fail suddenly.

When a system doesn’t break down but starts to ‘calculate differently’ – Bosch 0261S06190 / MED17.5.5. In the workshop, the most dangerous cases are not those with a clear

A case where the ECU does not fail, but changes its behaviour – Siemens Sirius32 / S110030006B / 7700110471. These units arrive at the workshop without a clear history.

It works, but not as it should – the true nature of the Bosch 0261204501 / M3.2 / VW. This module isn’t easy to replace. And that’s exactly the point

When the logic starts to go awry: peculiarities with the Bosch 0261S06621 / Peugeot MED17.4.2. A control unit does not always indicate a problem by suddenly failing. Sometimes it

The Silent Breakdown of the Control System – Bosch logic in GM 271806381 / GMPT-E98 / Opel. There are times when the car does not break down, but instead begins to

Под повърхността на управлението – наблюдения върху Bosch 0261208899 / ME7.4.5 / Citroen.  В практиката на автомобилната диагностика има управляващи блокове, които не се предават