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Code P0514

Quick reference

P0514 at a glance

Plain-language meaning
This code means the car's computer thinks the sensor that checks the battery's temperature isn't working right. It's like a thermometer for the battery isn't reading correctly.
Urgency
Moderate – While not immediately critical, it can lead to battery issues if not addressed.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means the car's computer thinks the sensor that checks the battery's temperature isn't working right. It's like a thermometer for the battery isn't reading correctly.

Explanation

The P0514 code is triggered when the Powertrain Control Module (PCM) detects a problem with the battery temperature sensor's performance or range.

Technical description

The battery temperature sensor is responsible for monitoring the temperature of the vehicle's battery. This information is used by the PCM to adjust charging rates and ensure optimal battery performance. If the sensor's readings are outside the expected range or do not match the expected performance, the PCM will set the P0514 code.

Symptoms

• Check Engine Light is on

• Battery not charging properly

• Battery overheating

Common Causes

• Faulty battery temperature sensor

• Wiring issues such as shorts or open circuits

• Corroded or damaged electrical connectors

Glossary

PCM: Powertrain Control Module

OBD-II: On-Board Diagnostics II

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the battery temperature sensor and its wiring for damage.

• Test the sensor's resistance and compare it to the manufacturer's specifications.

Repair procedures

• Replace the faulty battery temperature sensor.

• Repair or replace damaged wiring or connectors.

• Clear the code and test drive to ensure the issue is resolved.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$50 - $200

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Honda Accord

• Ford F-150

Preventive measures

• Regularly inspect battery and sensor connections.

• Ensure battery terminals are clean and secure.

• Check for corrosion around the battery area.

Error code type

Sensor Issue

User experience recommendations

• Have your battery and charging system checked regularly.

• Address any Check Engine Light issues promptly to avoid further damage.

Warranty information

Sensor issues may be covered under vehicle warranty if within the warranty period. Check with your manufacturer.

Historical data

The P0514 code has been associated with issues in vehicles with older battery systems, where sensor technology was less advanced.

Urgency level

Moderate – While not immediately critical, it can lead to battery issues if not addressed.

Testing conditions

• Engine running

• Battery fully charged

Component location

The battery temperature sensor is typically located near or on the battery itself.

FAQs

Q: Can I drive with a P0514 code?
A: While you can drive with this code, it's best to address it soon to prevent battery issues.

Q: How do I know if my battery temperature sensor is bad?
A: Symptoms include the Check Engine Light, battery charging issues, or overheating. Testing with a multimeter can confirm.

Optional diagnostic gear

Tools that may help diagnose P0514

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

View on Amazon
Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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