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Engine-Codes – Generic – P058E

P058E Code - Battery Monitor Module Temperature Too High

Quick Answer

The diagnostic trouble code P058E indicates that the Battery Monitor Module (BMM) temperature is too high. Common causes include Poor battery ventilation, Malfunctioning cooling system, Faulty BMM sensor. 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
P058E indicates Battery Monitor Module Temperature Too High.
Common causes
Common causes include Poor battery ventilation, Malfunctioning cooling system, Faulty BMM sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P058E Description

The diagnostic trouble code P058E indicates that the Battery Monitor Module (BMM) temperature is too high. The BMM is responsible for monitoring the battery's temperature and ensuring it stays within a safe operating range. When the temperature of the BMM exceeds the specified limit, it can lead to various issues with the vehicle's electrical system and overall performance.

OBDII Code P058E - Battery Monitor Module Temperature Too High
P058E Code - Battery Monitor Module Temperature Too High

Common Causes of P058E

  1. Poor battery ventilation.
  2. Malfunctioning cooling system.
  3. Faulty BMM sensor.
  4. High ambient temperatures.
  5. Prolonged exposure to heat sources.

Symptoms of P058E

  1. Illumination of the battery warning light on the dashboard.
  2. Reduced battery performance or capacity.
  3. Erratic behavior of the vehicle's electrical system.
  4. Difficulty starting the vehicle.
  5. Overheating of the battery or surrounding components.

How to Fix P058E

  1. Inspect the battery and BMM for any signs of overheating or damage.
  2. Check the cooling system to ensure proper functioning and adequate ventilation for the battery.
  3. Test the BMM sensor to determine if it is reading the temperature accurately.
  4. Replace any faulty components, such as the BMM sensor or cooling system parts, if necessary.
  5. Clear the diagnostic trouble code and monitor the BMM temperature to ensure it stays within the safe range.

Cost to Fix P058E

The typical repair costs for addressing a Battery Monitor Module temperature too high issue can range from $200 to $500, depending on the specific components that need to be replaced and the labor involved. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your vehicle make and model.

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Code P058E Information for Specific Makes

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.

Frequently Asked Questions about P058E Code

1. What does OBDII code P058E mean?

Code P058E indicates that the Battery Monitor Module has detected a temperature that is too high, potentially signaling an issue with the battery or its monitoring system.

2. What are the common symptoms of a P058E code?

Symptoms may include an illuminated Check Engine Light, poor battery performance, difficulty starting the vehicle, or warnings related to the battery or charging system.

3. What causes the P058E code to appear?

Common causes include a malfunctioning battery monitor module, a damaged or overheating battery, poor wiring connections, or excessive electrical load on the system.

4. Can I still drive my car with a P058E code?

Driving with a P058E code is not recommended, as high battery temperatures can pose safety risks and potentially damage the electrical system or battery.

5. How do I fix the P058E code?

Inspect the battery and its connections for damage or corrosion, ensure the battery monitor module is functioning correctly, and replace any faulty components as needed.

6. Could a failing battery cause the P058E code?

Yes, a failing or overheating battery is a common cause of this code and should be tested or replaced if necessary.

7. How is the P058E code diagnosed?

A technician will use a scan tool to confirm the code, inspect the battery and monitor module, check for wiring issues, and test the system’s electrical load.

8. What tools are needed to troubleshoot a P058E code?

Common tools include an OBDII scanner, a multimeter for testing voltage, and possibly a thermal sensor to check battery temperature.

9. Is the P058E code specific to hybrid or electric vehicles?

While it can occur in any vehicle with a battery monitor module, it is more commonly associated with hybrid or electric vehicles due to their advanced battery management systems.

10. How much does it cost to repair a P058E code?

Repair costs vary but can range from $100 for minor fixes like cleaning connections to $1,000 or more if the battery or monitor module needs replacement.

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