Lost Communication with Suspension Control Module A
2021-2024 Dacia Spring Electric 🇩🇪
Description
Cannot communicate with the primary suspension control module for adaptive or active suspension.
Symptoms
- Suspension warning light
- Ride quality degraded
- Dampers in default mode
- Sport/comfort mode not available
Common Causes
- Suspension module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Damper solenoid wiring issue
Diagnostic Steps
- Check suspension module fuse
- Test power and ground
- Check CAN wiring
- Test damper solenoids
- Scan for suspension DTCs
Repair Notes
Active suspension defaults to firm setting when module communication is lost. Check fuses first.
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
U0133 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 U0133 mean on a 2021-2024 Dacia Spring?
U0133 stands for "Lost Communication with Suspension Control Module A". Cannot communicate with the primary suspension control module for adaptive or active suspension.
What are the symptoms of U0133 on a Dacia Spring?
Common symptoms of U0133 include: Suspension warning light, Ride quality degraded, Dampers in default mode, Sport/comfort mode not available.
What causes U0133 on a 2021-2024 Dacia Spring?
Common causes of U0133 include: Suspension module failure, CAN bus wiring, Module power loss, Fuse blown, Damper solenoid wiring issue.