Vauxhall Astra J B1517 (03) with a charging warning and apparently normal voltage
A charging warning should be assessed even when a single voltage reading looks normal. Save the reading conditions and the full diagnostic report rather than assuming that the alternator or control module must be replaced. Vehicle-specific technical example HELLA describes Astra J vehicles from model years 2010–2012 displaying a charging warning with B1517 (03), despite
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