A battery can have several temperature measurements because different locations need monitoring. Identical readings are not a universal requirement, and a difference is not automatically a sensor fault.
Relate each value to conditions
Record the sensor names, units, recent driving or charging and outside temperature. A technician needs to understand the locations and operating strategy before judging whether the pattern is plausible. A tool label may not explain the physical position by itself.
Do not disconnect high-voltage equipment to test a theory. Include cooling warnings, coolant work and any reduced-power complaint. The assessment should explain whether the evidence points to thermal behaviour, a measurement circuit or another issue, with model-specific limits rather than a guessed universal temperature difference.
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