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EL DIARIO TÉCNICO DE ECUTRONICAverías conocidas.
Averías conocidas.
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Averías conocidas, síntomas and updates que importan en el taller.
Publicaciones11
Averías y diagnosis04.11.2026
Short guide: ABS/ESP — pump, communication loss and warning lamp
Symptoms, external checks and data to gather to assess an ABS/ESP unit before sending.
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Averías y diagnosis02.11.2026
Brief guide: instrument clusters — blackouts and loss of communication
What to check before assessing the unit: common symptoms, external checks and data to collect for diagnosis or return.
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29.10.2026
Guide: Engine ECU — internal faults and injection/throttle control
Quick guide on symptoms, external checks and data to collect when the engine ECU shows internal faults or injector/throttle control DTCs.
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Averías y diagnosis27.10.2026
Brief guide: Mercedes start‑error — parts required and external checks
What to check for a Mercedes 'start error' (EZS/ELV): symptoms, external checks and information to assess the unit.
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Averías y diagnosis22.10.2026
Short guide: ABS/ESP — pump, lost communication and warning lights
Practical summary: symptoms, exterior checks and data to assess ABS/ESP control unit.
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21.10.2026
Short guide: Airbag/SRS system — components, symptoms and external checks
Practical summary for external SRS diagnosis: what changes, what to check and what information to gather.
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20.10.2026
Brief guide: start authorization (EZS/ELV) and required documentation
What to provide to the workshop for EZS/ELV diagnosis: documents, keys and vehicle data before assessing the unit.
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19.10.2026
Guide: instrument cluster dark / communication loss
What to check when the cluster is dark or refuses diagnostic communication.
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Averías y diagnosis06.10.2026
BMW E87: failed exterior lights and the FRM module
On the 2005 E87, an electrical fault can cause the FRM to disable a lighting output. Find and correct the cause before resetting the module according to the manufacturer’s procedure. Failed lights alone do not confirm a faulty FRM.
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