THE MOTRONIC FAULT CODE MEMORY CONTAINS CODES FOR THE FOLLOWING CURRENT FAULTS -:

P0155 = LAMBDA SENSOR HEATER UPSTREAM CATALYST BANK 2 DRIVE CYCLE C, WHICH HAS OCCURED ONCE
(SIGNAL TOO LOW, THE FAULT IS CURRENTLY PRESENT, THIS FAULT DOES NOT GIVE MIL LAMP ACTIVATION, THE FAULT HAS BEEN DETERMINED AS PERSISTENTLY PRESENT).

P1000 = LAMBDA SENSOR UPSTREAM CATALYST BANK 2 DRIVE CYCLE C, WHICH HAS OCCURED ONCE
(SIGNAL MISSING, THE FAULT IS CURRENTLY PRESENT, THIS FAULT DOES NOT GIVE MIL LAMP ACTIVATION, THE FAULT HAS BEEN DETERMINED AS PERSISTENTLY PRESENT).