C0400Wysoki
Błąd obwodu sterowania zakresem biegów – niski poziom sygnału. Sterownik wykrył nieprawidłowe napięcie w obwodzie czujnika zakresu skrzyni biegów.
Podwozie
Sprawdź szczegóły →U0235
WysokiLost Communication with Front Distance Range Sensor for Cruise Control. The control module is not receiving data from the adaptive cruise control radar.
OBD-II (EN): Lost Communication with Front Adaptive Cruise Control Radar Sensor
Code U0235 means lost communication with the adaptive cruise control radar sensor – the vehicle is not receiving distance data from the vehicle ahead. This can be caused by damaged wiring, connector corrosion, or a faulty radar unit. A visit to a specialist is recommended, as diagnosis requires a professional scanner and sensor calibration.
Symptoms
Deactivation of Adaptive Cruise Control (ACC), warning light on the dashboard (usually a radar or cruise control symbol), deactivation of lane keeping assist and automatic emergency braking (if integrated with the same sensor), possible 'Service ACC System' message on the display.
Possible causes
• Damage or disconnection of the wiring harness leading to the ACC radar sensor • Corrosion or oxidation of contacts in the front distance sensor connector • Fault in the radar module itself (LIDAR/radar sensor) • Open or short circuit in the CAN bus responsible for communication with the sensor • Damage to the cruise control control module or ECM • Mechanical damage to the sensor (e.g., after a collision or impact to the bumper)
Affected systems
Adaptacyjny tempomat (ACC)Magistrala CANSystem radarowy/LIDARAutomatyczne hamowanie awaryjne (AEB)Asystent utrzymania pasa ruchu (LKA)
Related codes
U0155Średni
Utrata komunikacji z modułem wspomagania (EPS)
Komunikacja sieciowa
Sprawdź szczegóły →U0073Krytyczny
Magistrala CAN — wyłączona (bus off)
Komunikacja sieciowa
Sprawdź szczegóły →U0100Krytyczny
Utrata komunikacji z ECM (sterownik silnika)
Komunikacja sieciowa
Sprawdź szczegóły →Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Does code U0235 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.