p2000mP2000M Diotec Semiconductor Rectifiers Diode, P600, 1000V, 20A datasheet, inventory & pricing. Skip to Main Content +65 6788-9233. Contact (Singapore) +65 6788-9233 |If you see the Engine Lht ON or Service Engine Soon Warning Lht, it could be due to the P2000 fault code. This code indicates a problem with the NOX Three-Way Catalytic Converter