B1000Wysoki
Moduł sterowania nadwoziem (BCM) — usterka wewnętrzna
Nadwozie
Sprawdź szczegóły →B1056
ŚredniSAM control unit — internal fault (Mercedes)
OBD-II (EN): SAM Controller — internal fault
Code B1056 — SAM control unit — internal fault (Mercedes). Symptoms: various electrical faults — lights. Possible cause: internal SAM module fault. Professional diagnosis recommended.
Symptoms
Various electrical faults — lights, wipers, windows, locks
Possible causes
Internal SAM module fault, water ingress (common issue — front SAM under windshield), connector corrosion
Affected systems
Related codes
Code B1056 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B1056 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.