U0133
Lost Communication with Suspension Control Module A
2016-2021 Mazda CX-3 2.0L I4
Moderate SeverityNetworkGeneric (SAE)
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
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0005High Speed CAN Communication Bus (+) High
U0133 on Other Vehicles
Common Questions
What does code U0133 mean on a 2016-2021 Mazda CX-3?
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 Mazda CX-3?
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 2016-2021 Mazda CX-3?
Common causes of U0133 include: Suspension module failure, CAN bus wiring, Module power loss, Fuse blown, Damper solenoid wiring issue.