TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
Affected vehicles software configuration for monitoring a functional temperature sensor and coolant switching valve was based on known good and 'bad' temperature differentials. The 'bad' temperature differentials did not take into account certain normal variables. This condition could lead to a MIL with the following erroneous faults stored in the thermal management control module (00C5): P0C4300: Hybrid/EV Battery Pack Coolant Temperature Sensor "A" Circuit Range/Performance P0CE100: Hybrid/EV Battery Pack Coolant Control Valve "A" Stuck On

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Date Published
SEP 24, 2020
NHTSA TSB #
10180345
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