VERIFY
The reported behaviour is reproduced or documented as clearly as possible.

05 // ELECTRICAL SYSTEMS
Modern premium vehicles connect many control units, sensors and power circuits. We approach electrical concerns methodically, relating stored information to the physical system rather than treating a fault code as a conclusion.
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THE NG PRESTIQ METHOD
The reported behaviour is reproduced or documented as clearly as possible.
Relevant power, communication and component conditions are reviewed in sequence.
Confirmed findings are separated from possibilities so the next decision remains clear.
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