Lost Communication with Diagnostic Gateway Module
2021-2024 Dacia Spring Electric 🇩🇪
Description
Cannot communicate with the diagnostic gateway that routes scan tool communication to vehicle buses.
Symptoms
- Scan tool cannot connect
- OBD port no communication
- Cannot read any DTCs
- Cannot perform diagnostics
Common Causes
- Gateway module power failure
- Gateway module failure
- CAN bus issue to gateway
- OBD port wiring damage
- Fuse blown
Diagnostic Steps
- Check gateway module fuse
- Test power and ground at gateway
- Check OBD port pin connections
- Test CAN wiring from OBD port to gateway
- Verify gateway module operation
Repair Notes
Check OBD port wiring and gateway module power supply. Common on VW/Audi vehicles.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0064 on Other Vehicles
Dacia Bigster
2025-2025 1.2L I3 Turbo TCe 130
Dacia Bigster
2025-2025 1.6L I4 Hybrid 155
Dacia Duster
2017-2024 1.0L I3 TCe
Dacia Duster
2017-2024 1.3L I4 TCe
Dacia Duster
2017-2024 1.5L I4 dCi
Dacia Duster
2024-2025 1.0L I3 TCe 100 LPG
Dacia Duster
2024-2025 1.2L I3 Hybrid TCe 130
Dacia Duster PL
2018-2025 1.0L I3 Turbo TCe 100
Common Questions
What does code U0064 mean on a 2021-2024 Dacia Spring?
U0064 stands for "Lost Communication with Diagnostic Gateway Module". Cannot communicate with the diagnostic gateway that routes scan tool communication to vehicle buses.
What are the symptoms of U0064 on a Dacia Spring?
Common symptoms of U0064 include: Scan tool cannot connect, OBD port no communication, Cannot read any DTCs, Cannot perform diagnostics.
What causes U0064 on a 2021-2024 Dacia Spring?
Common causes of U0064 include: Gateway module power failure, Gateway module failure, CAN bus issue to gateway, OBD port wiring damage, Fuse blown.