p2000mIf 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 ConverterAxial lead diode Standard silicon rectifier diodes P 2000 A ... P 2000 S Forward Current: 20 A Reverse Voltage: 50 to 1200 V Features !#$ Mechanical Data