The B2783 code on your 2020 Infiniti QX60 indicates a malfunction with the lane departure warning (LDW) camera. This code affects your QX60's lane keeping system, signaling a fault with the camera that monitors lane markings to alert you of unintentional lane departure.
Understanding B2783 on Infiniti QX60
The LDW camera is typically mounted near the rearview mirror behind the windshield. It continuously monitors lane markings and works with the LDW control system to alert the driver if the vehicle drifts out of its lane without turn signal activation. Code B2783 indicates this camera system has detected a fault.
Common Symptoms
- LDW unavailable message
- LDW warning light on
- Lane departure alerts not working
- Camera vision blocked warning
- System intermittently unavailable
- Lane keep assist not functioning (if equipped)
Primary Causes
- Camera unit failure
- Dirty or obstructed windshield
- Windshield damage in camera view area
- Incorrect windshield replacement
- Camera wiring fault
- Camera mounting misalignment
- Control module communication issue
Diagnostic Procedure for 2020 QX60
Using Nissan/Infiniti Consult or compatible scan tool, access LDW system data. Check camera status and error codes. Inspect windshield in camera viewing area for damage, dirt, or obstruction. Verify windshield is correct type if recently replaced (must be camera-compatible). Check camera mounting and alignment. Test camera wiring for damage.
Repair Solutions
Clean windshield in camera view area if dirty. Replace windshield with OEM or camera-compatible glass if damaged or incorrect. Replace faulty LDW camera unit. Repair wiring issues to camera. After windshield or camera replacement, camera calibration may be required. Clear codes and test LDW function on road with visible lane markings.