U0147
Lost Communication with Seat Control Module A
2014-2021 Mazda Mazda6 2.5L I4
Low SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the driver seat control module.
Symptoms
- Power seat not adjustable
- Seat memory not working
- Seat heater/cooler from module not working
- Seat position not stored
Common Causes
- Seat module failure
- Wiring in seat track area
- Module power loss
- Fuse blown
- Connector under seat disconnected
Diagnostic Steps
- Check seat module fuse
- Test power and ground
- Inspect wiring under seat
- Check connector under seat
- Try direct module communication
Repair Notes
Check under-seat connector first, often disconnected during cleaning or item retrieval.
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
U0147 on Other Vehicles
Common Questions
What does code U0147 mean on a 2014-2021 Mazda Mazda6?
U0147 stands for "Lost Communication with Seat Control Module A". Cannot communicate with the driver seat control module.
What are the symptoms of U0147 on a Mazda Mazda6?
Common symptoms of U0147 include: Power seat not adjustable, Seat memory not working, Seat heater/cooler from module not working, Seat position not stored.
What causes U0147 on a 2014-2021 Mazda Mazda6?
Common causes of U0147 include: Seat module failure, Wiring in seat track area, Module power loss, Fuse blown, Connector under seat disconnected.