31/08/2026
π§ Diagnostic & Calibration Win: 2018 Mercedes A180d (W177)
This 1.5 CDI (OM608) came in with chronic cutting out and active countdown/warning lights following a failed software delete elsewhere.
The Issue:
Modern Bosch MD1CS006 ECUs use digital SENT protocol airflow sensors and complex physical air-modeling. A previous "delete" file corrupted these airflow calculation tables, causing the ECU to fail safety plausibility checks (U060F) and shut the engine down immediately.
The Fix:
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Restored to factory software on the bench using Autotuner.
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Carried out full diagnostic resets on the NOx, DPF, and SCR start-lock systems to clear locked EEPROM flags.
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Applied a precision custom solution developed by the engineering team at Viezu Technologies, keeping the digital airflow model 100% intact while applying an EGR, DPF and EGR Solution along with our Vblend tune to improve MPG.
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Verified live telemetryβboost, rail pressure, and MAF readings are spot-on with zero fault codes.
Result? Clean dash, smooth idle, crisp throttle response, and another job sorted properly.
π Autoficiency β Dungannon
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