P3400Średni
Problem z dezaktywacją cylindrów – Bank 1. Układ wyłączania cylindrów wykrył nieprawidłowość w obwodzie sterowania zaworami Bank 1.
Układ napędowy
Sprawdź szczegóły →P3325
KrytycznyFault in the Ignition Circuit Power Supply (Terminal 15) – VAG group manufacturer code. An abnormality detected in the main power supply circuit of the ignition system.
OBD-II (EN): Ignition circuit power supply fault (Terminal 15)
Code P3325 is a fault specific to Volkswagen group vehicles (VAG), indicating a problem with the main ignition power supply circuit (Terminal 15). The most common cause is a damaged power relay no. 460, but the problem may also lie in the wiring or electronic modules. Due to the risk of sudden engine stall while driving, immediate diagnosis at a service center is recommended.
Symptoms
Unexpected engine shutdown while driving, difficulty starting the vehicle, engine stalls without warning, no response to the ignition key, sporadic engine misfires, possible shutdown of all electrical systems.
Possible causes
• Damaged ignition power relay (relay no. 460) – most common cause • Fault or open circuit in the Terminal 15 circuit wiring • Corrosion or loosening of electrical connectors at the ignition relay • Damaged power control module (BCM/ECM) • Fault in the main ignition switch (lock cylinder)
Affected systems
układ zapłonowyobwód zasilania Terminal 15przekaźnik zapłonumoduł sterowania nadwoziem (BCM)sterownik silnika (ECM/ECU)
Related codes
U0100Krytyczny
Utrata komunikacji z ECM (sterownik silnika)
Komunikacja sieciowa
Sprawdź szczegóły →Code P3325 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Sources and further reading
Does code P3325 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.