Why the battery drains while the car is switched off
A battery that goes flat overnight is not necessarily defective. The cause may be parasitic current from a module that does not sleep, a hidden lamp,
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Real cases and fault analysis
What lies behind a dashboard warning, when a control unit is at fault and when it is the wiring.
Safe chip tuning: power without engine damage
A properly developed remap improves power and response while respecting engine limits and retaining a complete copy of the original software. The vehi
Airbag faults after a crash: how they are fixed
After an impact, the SRS unit may store crash data and keep the airbag warning light on. However, the stored code is not always the only issue that mu
EGR, DPF and AdBlue: myths and facts
Emissions systems can cause trouble, but not every fault has the same solution. Good diagnostics distinguishes between cleaning, regeneration, electri
Module coding: what it is and when you need it
When a control unit is replaced or equipment is added, the module usually needs coding so the vehicle recognises it. A part that fits physically will