Błąd komunikacji modułu sterującego ABS z innymi modułami pojazdu. Kod wskazuje na utratę lub zakłócenie sygnału w sieci CAN bus między sterownikiem ABS a pozostałymi jednostkami sterującymi.
U1125
NiskiLoss of communication with the satellite module / satellite navigation system. Manufacturer code related to the vehicle's communication network (CAN/LIN bus).
OBD-II (EN): Lost Communication with Satellite Module / GPS Navigation System
Code U1125 indicates a communication problem with the satellite module or GPS navigation system in your vehicle. The cause could be a damaged wiring harness, corroded connector, or faulty telematic module. Due to the manufacturer-specific nature of this code, we recommend diagnosis at a specialized workshop with an appropriate scanner.
Symptoms
Lack of operation of the GPS navigation system or satellite tracking system; possible deactivation of telematic functions; warning on the dashboard regarding the communication system; in some vehicles, lack of real-time traffic data updates.
Possible causes
• Damaged or open circuit in the wiring harness leading to the satellite/navigation module • Corrosion or damage to the electrical connector of the GPS/telematics module • Faulty satellite module or navigation control module • Interference or lack of signal on the CAN bus (Controller Area Network) • Damaged fuse or relay for the communication module power supply • Incorrect module software (firmware) – requires an update
Affected systems
Related codes
Kod U1100 oznacza utratę komunikacji z modułem sterującym nadwozia (BCM) lub innym modułem w sieci CAN. Jest to kod specyficzny dla producenta, wskazujący na przerwanie wymiany danych w magistrali komunikacyjnej.
Brak komunikacji z bramką sieciową (gateway)
Magistrala CAN — wyłączona (bus off)
Utrata komunikacji z ECM (sterownik silnika)
Code U1125 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 U1125 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.
