5 Symptoms of a Bad Battery Temp Sensor and How to Fix It

Bad battery temp sensor symptoms can be frustrating and difficult to diagnose. Most commonly, they manifest themselves in a laptop or other device suddenly shutting down or not charging properly. Some of the other common symptoms that may occur include:

• Laptop randomly shuts down while plugged in
• Laptop doesn’t charge
• Battery indicator says “plugged in, not charging”
• Device runs slower when on battery power
• Battery won’t hold a charge as long as it used to
• Device overheats quickly and shuts down unexpectedly
• Low battery warning appears even when device is plugged in
• Computer doesn’t start up properly when on battery power

These symptoms may indicate that your laptop has a bad battery temp sensor. The sensor is responsible for monitoring the temperature of the battery and adjusting its performance accordingly. If it is not working correctly, then it can lead to the above problems. To fix this issue, you should replace the battery temperature sensor with a new one.

Symptoms of a Bad Battery Temperature Sensor

When it comes to automotive issues, one of the most common problems is having a faulty battery temperature sensor. This can cause reduced vehicle performance, leaving you stranded on the road. Poor fuel economy and check engine light activation are also common symptoms of a bad battery temperature sensor. The sensors are responsible for monitoring the temperature of the car battery and sending the information to the computer for proper charging and discharging cycles.

Causes of a Faulty Battery Temperature Sensor

There are several reasons why this could happen, such as defective parts from the manufacturer, damage from electrical surges or short circuits, or even corrosion of wiring harness connectors and terminals. It is important to diagnose this issue as soon as possible to prevent further damage to other components in your vehicle.

Diagnosing a Bad Battery Temperature Sensor

The first step in diagnosing this issue is to check for corrosion on wiring harness connectors and terminals. If corrosion is found, it should be cleaned off before any further testing is done. Next, you should test for voltage drop on the wires going to the sensor. Lastly, you should check for voltage at the temperature sensor connector with an OBD2 scanner tool. This will allow you to accurately diagnose any potential issues with your car’s battery temperature sensor.

Replacing a Faulty Battery Temperature Sensor

Once you have diagnosed that there is an issue with your battery temperature sensor, it’s time to replace it. Before starting, make sure that you have all of the necessary tools and parts ready so that you can complete your repair job quickly and efficiently. Unscrew the old sensor and remove it from its position in your car before installing your new one in its place.

Advantages of Replacing a Bad Battery Temperature Sensor

Replacing your bad battery temperature sensor has many advantages such as improved vehicle performance, improved fuel efficiency, better reliability, and more accurate readings from your car’s computer system which will help keep your car running smoothly for longer periods of time without any hiccups or breakdowns along the way.

Common Brands of Battery Temperature Sensors Available in the Market

When it comes to replacing your automobile’s battery temperature sensor, you have several options available. Two of the most popular brands are AEM Electronics and Standard Motor Products. These brands offer a variety of options to fit any budget and application, ranging from basic temperature sensors to advanced models with extensive features. AEM Electronics offers a variety of sensors that are compatible with both gasoline-powered and diesel-powered engines. Standard Motor Products provides an array of sensors for both OEM applications and aftermarket installations.

How Much Does it Cost to Replace a Bad Battery Temperature Sensor?

The cost of replacing a bad battery temperature sensor can vary depending on the type of sensor and brand you choose. However, on average, the cost ranges from $30-$200 for most models. Low-end price range models typically cost between $30-$60, mid-range models range from $60-$100, and higher-end models can cost up to $200 or more.

Tips to Maintain Your Automobile’s Battery Temperature Sensors

To ensure your automobile’s battery temperature sensors stay in good working order for as long as possible, there are some tips you should follow for regular maintenance. First, inspect the wiring harness connectors regularly for signs of damage or corrosion which can cause poor performance or even failure of the temperature sensor itself. Additionally, it is important to check the voltage at the connector with an OBD2 scanner tool regularly in order to make sure everything is running correctly. Finally, make sure that all parts related to your vehicle’s battery temperature sensors are properly installed in order to avoid any potential problems down the line.

FAQ & Answers

Q: What are the Symptoms of a Bad Battery Temperature Sensor?
A: Symptoms of a bad battery temperature sensor can include reduced vehicle performance, being stranded on the road, poor fuel economy, and check engine light activation.

Q: What Causes a Faulty Battery Temperature Sensor?
A: A faulty battery temperature sensor can be caused by a defective part from the manufacturer, damage from electrical surge or short circuit, and corrosion of wiring harness connectors and terminals.

Q: How to Diagnose a Bad Battery Temperature Sensor?
A: To diagnose a bad battery temperature sensor, you should check for corrosion on wiring harness connectors and terminals, test for voltage drop on the wires going to the sensor, and check for voltage at the temperature sensor connector with an OBD2 Scanner Tool.

Q: How to Replace a Faulty Battery Temperature Sensor?
A: To replace a faulty battery temperature sensor you should prepare necessary tools and parts needed for replacement, unscrew the old sensor and remove it, and install the new sensors in place.

Q: What are the Advantages of Replacing a Bad Battery Temperature Sensor?
A: Replacing a bad battery temperature sensor can result in improved vehicle performance, improved fuel efficiency, better vehicle reliability.

In conclusion, a bad battery temperature sensor can cause a number of problems for your vehicle. If the sensor is malfunctioning, it will not be accurately measuring the temperature of the battery and can cause the battery to overheat or underperform. This can lead to a variety of issues such as decreased fuel economy, engine stalling, and even complete failure. It is important to regularly check and maintain your vehicle’s battery temperature sensor to ensure that your car runs smoothly and efficiently.

Author Profile

Carl Frisch
Carl Frisch
With more than 30 years in the bicycle industry, I have a strong background in bicycle retailing, sales, marketing and customer service. I have a passion for cycling and a dedication to excellence. As a manager, I worked diligently to increase my capabilities and responsibilities, managing up to eleven mechanics (at Palo Alto Bicycles) and later as a working partner in my own store.

As the shop owner of Spoke n’ Word Cycles in Socorro, NM, the success of the mission was my responsibility, which I pursued passionately since we opened in 2003 through the spring of 2011. I am adept at managing owned and loan inventory, preparing weekly & annual inventory statements, and managing staff. The role as managing partner also allowed me tremendous freedom. I used this personal freedom to become more deeply involved in my own advancement as a mechanic, to spearhead local trail building, and advocating for cycling both locally and regionally.

As a mechanic, I have several years doing neutral support, experience as a team mechanic, and experience supporting local rides, races, club events. I consistently strive to ensure that bicycles function flawlessly by foreseeing issues and working with the riders, soigners, coaches and other mechanics. Even with decades of experience as a shop mechanic and team mechanic, and continue to pursue greater involvement in this sport as a US Pro Mechanic, and UCI Pro Mechanic.

Similar Posts