P0C31 – Inverter ‘B’ Cooling System Performance

P0C31 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0C31 Possible Causes

Faulty Inverter ‘B’ Cooling System,Inverter ‘B’ Cooling System harness is open or shorted,Inverter ‘B’ Cooling System circuit poor electrical connection

P0C31 Description

The Engine Control Module (ECM) monitors the Inverter ‘B’ Cooling System. The ECM sets the OBDII code when the Inverter ‘B’ Cooling System is not to factory specifications.