Customer: 2018 Q30 Mechanic's Assistant: Is there anything else the Infinit Mechanic should know before I connect you? Rest assured that they'll be able to help you. Rest assured that they'll be able to help you.

Went to AutoZone. Here are the codes I was given P0420 - definition: catalyst system efficiency below threshold - bank 1 Probable cause (1) large vacuum leak (2) rich AF ratio-fuel system faulty (3) ignition system malfunction (4) faulty catalytic converter (Note: recently had all three replaced)

Q30-1024-132 Engine Fan on with AC and Park Brake 0 1 Parameter is used to determine if an engine fan override is available to the operator. This override will allow the operator to turn the engine fan on when the park brakes are set, A/C is ON and the engine ECU permits the fan to …