U0141
Lost Communication with Front ECM A
2016-2021 Mazda CX-3 2.0L I4 🇨🇦
Moderate SeverityNetwork
Description
Cannot communicate with the front electronic control module A, often managing front body electronics.
Symptoms
- Front lighting issues
- Front park assist not working
- Front wiper issues
- DRL malfunction
Common Causes
- Front ECM failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Front-end collision damage
Diagnostic Steps
- Check front ECM fuse
- Test power and ground
- Check CAN wiring
- Inspect for collision damage
- Test module directly
Repair Notes
Check for front-end damage. Module located in front of vehicle is susceptible to impact and water.
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
U0141 on Other Vehicles
Common Questions
What does code U0141 mean on a 2016-2021 Mazda CX-3?
U0141 stands for "Lost Communication with Front ECM A". Cannot communicate with the front electronic control module A, often managing front body electronics.
What are the symptoms of U0141 on a Mazda CX-3?
Common symptoms of U0141 include: Front lighting issues, Front park assist not working, Front wiper issues, DRL malfunction.
What causes U0141 on a 2016-2021 Mazda CX-3?
Common causes of U0141 include: Front ECM failure, CAN bus wiring, Module power loss, Fuse blown, Front-end collision damage.