U0121Wysoki
Utrata komunikacji z modułem ABS
Komunikacja sieciowa
Sprawdź szczegóły →C1015
WysokiRight front wheel speed sensor circuit — ABS signal fault. The code indicates incorrect operation of the right front wheel speed sensor in the ABS/traction system.
OBD-II (EN): Right Front Wheel Speed Sensor Circuit ABS Signal Fault
Code C1015 indicates a fault in the right front wheel speed sensor circuit, causing the ABS and traction control systems to be disabled or operate incorrectly. The cause may be a faulty sensor, damaged wiring harness, or worn tone ring on the wheel hub. Due to the direct impact on braking performance, diagnosis at an authorized service center or workshop with ABS diagnostic equipment is recommended as soon as possible.
Symptoms
- ABS warning light is on the dashboard - Traction control system (TCS/ESP) warning light active - ABS system disabled or operating incorrectly - Possible extended stopping distance - Stability control system error message - Vibration or irregular pulsing during braking
Possible causes
- Damaged right front wheel speed sensor (Hall effect or inductive sensor) - Open or short circuit in the sensor wiring harness (mechanical damage, corrosion) - Weak or oxidized electrical connector contact for the sensor - Damaged or missing tone ring (reluctor ring) on the wheel hub - Damaged ABS module (ABS controller)
Affected systems
ABS (Anti-lock Braking System)Kontrola trakcji (TCS)Elektroniczny program stabilizacji (ESP/ESC)Układ hamulcowy
Related codes
C1035Wysoki
Nieprawidłowa wydajność porównawcza czujnika prędkości prawego tylnego koła. Moduł ABS wykrył istotną różnicę między odczytem czujnika prędkości prawego tylnego koła a pozostałymi czujnikami przy prędkości powyżej 40 km/h.
Podwozie
Sprawdź szczegóły →Does code C1015 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.