P0516
PowertrainCharging Systemlow severityBattery Temperature Sensor Circuit Low
What P0516 Means
The battery temperature sensor circuit reads lower voltage than expected. This may cause the charging system to misjudge battery temperature.
Symptoms
- Check engine light on
- Charging irregularities
- Battery warnings
Common Causes
- Short to ground in sensor wiring
- Faulty battery temperature sensor
- Corroded connector
- Faulty PCM input circuit
Diagnostic Steps
- Scan battery temp sensor voltage
- Inspect wiring for short to ground
- Test sensor resistance
- Check connector for corrosion
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