P0516
Battery Temperature Sensor Circuit Low
Generic code
Vehicle Speed and Idle Control System
High severity
Hard repair
Free on OBD DashX
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What P0516 means
- The fault code P0516 indicates that the battery temperature sensor circuit has a low voltage reading. This may cause the vehicle to have starting problems or poor performance.
Possible symptoms
- Hard starting or no start
- Illuminated check engine light
- Reduced engine power or acceleration
Possible causes
- Failed battery temperature sensor
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Battery Temperature Sensor: Batteries are temperature-sensitive and a battery's optimal operating temperature range is 40 to 70 degrees Fahrenheit. Battery temperature sensor monitors battery temperature during charging. If it senses a temperature variation, it orders the computer control system to change the charging rate. Problems make it hard to start car and may cause stalling
Possible solutions
- Replace the battery temperature sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
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P0516 on OBD DashX
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