U0100Krytyczny
Utrata komunikacji z ECM (sterownik silnika)
Komunikacja sieciowa
Sprawdź szczegóły →U0073
KrytycznyCAN Bus — Bus Off
OBD-II (EN): Control Module Communication Bus A Off
Code U0073 — CAN Bus — Bus Off. Symptoms: massive loss of functions. Possible cause: short circuit on CAN bus (CAN-H to CAN-L). Professional diagnosis recommended.
Symptoms
Massive loss of functions, many errors in multiple modules simultaneously
Possible causes
Short circuit on CAN bus (CAN-H to CAN-L), faulty module flooding the bus, physical wiring damage
Affected systems
Related codes
U0001Krytyczny
Magistrala CAN High Speed — brak komunikacji
Komunikacja sieciowa
Sprawdź szczegóły →Tags and synonyms
Does code U0073 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.