This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem:
⢠âRefill Inverter Coolantâ warning light displayed on the cluster
⢠No DTCâs present
⢠Normal level of coolant in Inverter Reservoir Tank
⢠Measured EWP Speed > 2,800 RPM
The cause of the warning light is due to increased EWP Speed due to poor flow of coolant inside the cooling circuit. The coolant in the system will be discharged and any foreign substances in the circuit will be flushed out with new coolant added in the end. A new reservoir cap label will be added.
