Real electronic diagnostic cases

Documented investigation of difficult faults. Data, measurement, hypotheses, testing, and verification before replacement.

MERCEDES-BENZ · NEW REAL CASE

Perfect while running. No hot restart after shutdown.

“Antirrobo activado” warning, network communication anomalies, and a Bosch MED17.7.3.1 ECU. Nine didactic steps, from evidence to final verification.

BMW · REAL CASES

VANOS, electronics, control modules, Park warnings, and other faults investigated through measurements and evidence.

Illustrations are educational reconstructions, not original vehicle photographs or diagnostic screenshots.