SPECIFICATIONS 57 Engine Fault Codes Description Fault Code PSID Aftertreatment System Conditioning PSID25 Insufficient reagent quality PSID40 Too low reagent consumption PSID41 Interruption of dosing activity PSID42 Incorrect EGR flow PSID43 Deactivation of EGR PSID44 High NOx - Root cause unknown PSID45 NOx monitoring failure PSID46 Particulate trap regeneration PSID47 Boost Air system PSID98 ATI system PSID108 VIN check 1 PSID161 VIN check 2 PSID162 CAN1 J1939 communication, time-out PSID201 CAN1 J1939 communication, time-out PDIS202 CAN2 J1939 communication link PSID232