P0515 OBD II Trouble Code Battery Temperature Sensor Circuit

How to easily diagnose and repair, and causes of a P0515 battery temperature sensor circuit malfunction trouble code.

Symptoms of P0515 OBD II Trouble Code

  • Malfunction Indicator Lamp (MIL) on
  • Possible low indicated charging voltage
  • Charge indicator light on

Common Causes of P0515 OBD II Trouble Code

  • Open in the signal circuit to the BTS sensor - possible
  • Short to voltage in the signal circuit to the BTS sensor - possible
  • Short to ground in the signal circuit to the BTS sensor - possible
  • Failed BTS Sensor - likely
  • Failed PCM - unlikely

Severity of P0515 OBD II Trouble Code

Severity in these cases will be not severe. Since they are electrical failures, the PCM can compensate adequately for them.