TSB Document:

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary
18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. The driver may see a DIC message at 125 degrees Celsius that the air-conditioning is disabled for engine coolant temperature (ECT), and at 128 degrees Celsius, another DIC message is displayed for Engine Overheated Idle Engine. Dealers are to drain specified coolant amount and replace with water.

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Date Published
MAY 30, 2018
NHTSA TSB #
10143733
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