This bulletin provides information related to the cleaning of the cooling system and coolant change to...

Bulletin number

23-01-051H

Component

Engine and engine cooling: cooling system

Summary

This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem:  “Refill Inverter Coolant” warning light displayed on the cluster  No DTC’s 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.

Owners of these vehicles have filed 7 complaints in the engine category.