Code Definition

P0515 — Battery Temperature Sensor Signal Out of Range

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0515

P0515 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0515 is stored, the module has detected a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour; and a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0515 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P0515 fault code is set when the Engine Control Module (ECM) detects that the signal from the battery temperature sensor is outside the normal operating range. This sensor is critical for monitoring the temperature of the vehicle's battery. The battery's temperature can significantly impact its performance, charging rate, and overall lifespan. Extreme temperatures can lead to reduced battery efficiency or even damage. An out-of-range signal from the battery temperature sensor could be due to a faulty sensor, wiring or connector issues, or unusual temperature conditions affecting the batter...

Join TaT to view the complete code information and diagnostic details.

Quick Facts