The B1443 code on your 2020 Genesis G70 indicates a fault with the rear right window regulator motor circuit. This code affects your G70's rear passenger side window operation, signaling the system has detected an abnormality in this window circuit.
Understanding B1443 on Genesis G70
The rear right window, like all power windows, is monitored by the body control module for proper operation. Code B1443 indicates the motor circuit isn't operating normally - either not responding to commands, drawing abnormal current, or providing incorrect feedback.
Common Symptoms
- Rear right window doesn't operate
- Window moves slowly or stops mid-travel
- Clicking sound but no movement
- Motor runs but glass doesn't move
- Doesn't respond to any switch
- Intermittent operation
Primary Causes
- Failed window motor
- Broken regulator mechanism
- Rear door switch failure
- Driver master switch fault
- Wiring damage in door
- BCM output circuit issue
- Mechanical binding
Diagnostic Procedure for 2020 Genesis G70
Using Genesis GDS or Hyundai scan tool, access rear right window data. Command window operation while monitoring data. Test from master switch and rear door switch. Listen for motor trying to operate. Check voltage at motor connector. Remove door panel to inspect regulator if needed. Check for window channel binding or misalignment.
Repair Solutions
Replace window motor/regulator assembly if motor or mechanism has failed. Repair damaged wiring. Replace faulty door switch. Lubricate window channels if binding is the issue. After repair, initialize window for express up/down function. Clear codes and verify consistent operation from all switch locations.