Porsche Macan electrical issues with alternator light and multiple warning signs after brake inspection on Porsche Macan

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Porsche Macan owners report experiencing electrical issues following a brake inspection, particularly related to the alternator and charging system. These issues may manifest as an illuminated alternator warning light on the dashboard, indicating potential problems with the charging system. Additionally, owners have noted multiple warning signs, such as PSM failure and ABS failure lights, which could suggest low voltage linked to alternator or battery issues. Symptoms like dimming headlights, flickering dashboard lights, and strange noises may also indicate alternator problems. Prompt attention to these issues is crucial to prevent further electrical malfunctions and ensure the vehicle operates optimally. It is advisable for owners to seek a professional inspection if they suspect any electrical problems.

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