AutoCodes – Generic – P0515

P0515 Code - Battery Temperature Sensor Circuit

Quick Answer

The Engine Control Module (ECM) monitors the Battery Temperature Sensor. Common causes include Faulty Battery Temperature Sensor, Battery Temperature Sensor harness is open or shorted, Battery Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0515 indicates Battery Temperature Sensor Circuit.
Common causes: Common causes include Faulty Battery Temperature Sensor, Battery Temperature Sensor harness is open or shorted, Battery Temperature Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,016

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0515 Description

The Engine Control Module (ECM) monitors the Battery Temperature Sensor. The ECM sets the OBDII code when the Battery Temperature Sensor is not to factory specifications.

OBDII Code P0515 - Battery Temperature Sensor Circuit - AutoCodes.com — P0515 Code - Battery Temperature Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P0515?

Faulty Battery Temperature Sensor
Battery Temperature Sensor harness is open or shorted
Battery Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0515?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0515 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.