P0515
PowertrainCharging Systemlow severityBattery Temperature Sensor Circuit
What P0515 Means
A general fault is detected in the battery temperature sensor circuit. Charging control may not adjust properly to battery temperature.
Symptoms
- Check engine light on
- Charging irregularities
- Battery warnings
Common Causes
- Faulty battery temperature sensor
- Open or shorted sensor wiring
- Corroded connector
- Faulty PCM input circuit
Diagnostic Steps
- Scan for charging-related codes
- Inspect battery temp sensor connector
- Test sensor circuit continuity
- Verify sensor resistance
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