Check the height sensors located near the suspension components. Look for broken linkage arms or water intrusion in the connectors.
A: Yes. That leak is internal fluid bypassing the primary seal into the brake booster. You cannot rebuild this safely at home due to the cross-hatching required inside the bore. Replace it. Nissan B20db-54
This code appears when the vehicle's automatic headlight leveling system or advanced suspension height sensors have not been properly initialized or calibrated following a repair, battery disconnect, or module replacement. Check the height sensors located near the suspension
Here are the headline specs you need to know: Nissan B20db-54