Lost Communication with Seat Control Module B
2007-2012 Nissan Altima 2.5L I4
Description
Cannot communicate with the passenger seat control module.
Symptoms
- Passenger power seat inoperative
- Passenger seat memory not working
- Passenger seat heater not controlled
Common Causes
- Seat module failure
- Wiring issue under seat
- Power loss to module
- Fuse blown
Diagnostic Steps
- Check seat module fuse
- Test power and ground
- Inspect wiring
- Check connector under seat
Repair Notes
Check connector under passenger seat. Same diagnosis approach as driver seat module.
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
U0148 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code U0148 mean on a 2007-2012 Nissan Altima?
U0148 stands for "Lost Communication with Seat Control Module B". Cannot communicate with the passenger seat control module.
What are the symptoms of U0148 on a Nissan Altima?
Common symptoms of U0148 include: Passenger power seat inoperative, Passenger seat memory not working, Passenger seat heater not controlled.
What causes U0148 on a 2007-2012 Nissan Altima?
Common causes of U0148 include: Seat module failure, Wiring issue under seat, Power loss to module, Fuse blown.