Invalid Data Received from Ride Level Control Module
2007-2012 Nissan Altima 2.5L I4
Description
Data from the air suspension or ride height control module is corrupted.
Symptoms
- Suspension warning light
- Incorrect ride height
- Vehicle listing to one side
- Compressor cycling abnormally
Common Causes
- Height sensor calibration lost
- CAN bus noise
- Module sending incorrect data
- Sensor wiring issue
Diagnostic Steps
- Check ride height sensor readings
- Recalibrate suspension module
- Test CAN bus quality
- Inspect height sensor wiring
- Compare actual vs reported ride height
Repair Notes
Recalibrate ride height sensors. Check sensor wiring at each corner.
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
U0420 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 U0420 mean on a 2007-2012 Nissan Altima?
U0420 stands for "Invalid Data Received from Ride Level Control Module". Data from the air suspension or ride height control module is corrupted.
What are the symptoms of U0420 on a Nissan Altima?
Common symptoms of U0420 include: Suspension warning light, Incorrect ride height, Vehicle listing to one side, Compressor cycling abnormally.
What causes U0420 on a 2007-2012 Nissan Altima?
Common causes of U0420 include: Height sensor calibration lost, CAN bus noise, Module sending incorrect data, Sensor wiring issue.