Nissan P155b-00 ((hot)) -

The most obvious sign is the dashboard warning lamp.

If the generator is under-performing, the energy management system may flag a circuit error. How to Fix It nissan p155b-00

Perform a visual inspection of the wiring harness leading to the DEF tank and the dosing valve. Look for any corrosion or frayed wires that might be causing a short or open circuit. The most obvious sign is the dashboard warning lamp