code U0155, P2503. Autozone showed PASS on "diodes and voltage regulation" but fail on charging current. guy said this meant alternator. Odds are a bad alternator or wiring issue? : r/MechanicAdvice
P2503 Code: Charging System Voltage Low - In The Garage with CarParts.com
Пост вопрос, периодически зажигает аккумулятор, ошибка p2503 — Mazda 6 (1G) GG, 2 л, 2005 года | поломка | DRIVE2