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DTC codes / P05xx · Vehicle speed, idle control and auxiliary inputs / P0516

P0516Battery Temperature Sensor Circuit Low

P0516 means the powertrain control module (PCM) has detected a voltage signal from the battery temperature sensor that is lower than the expected range for the current conditions. The sensor is a thermistor that changes resistance with temperature, and a low signal typically indicates a short to ground or an open circuit in the sensor or its wiring.

SystemPowertrain
Code typeGeneric (all makes)
SeverityLow
Fix difficultyIntermediate
AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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