AutoCodes – Generic – P3024

P3024 Code - Battery Block 14 Becomes Weak

Quick Answer

If there is an abnormal internal resistance or electromotive voltage in the hybrid battery blocks, the hybrid battery Electronic Control Unit (ECU) determines that a malfunction has occurred. Common causes include Faulty HV battery assembly, Faulty Battery ECU. 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: P3024 indicates Battery Block 14 Becomes Weak.
Common causes: Common causes include Faulty HV battery assembly, Faulty Battery ECU.
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 13,708

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 Apr 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P3024 Description

If there is an abnormal internal resistance or electromotive voltage in the hybrid battery blocks, the hybrid battery Electronic Control Unit (ECU) determines that a malfunction has occurred. When the malfunction detection condition is satisfied, the battery ECU illuminates the MIL and sets a Diagnostic Trouble Code (DTC).

OBDII Code P3024 - Battery Block 14 Becomes Weak - AutoCodes.com — P3024 Code - Battery Block 14 Becomes Weak

What does this mean?

What are the Possible Causes of the DTC P3024?

Faulty HV battery assembly
Faulty Battery ECU

How to Fix the DTC P3024?

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 P3024 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.

Need more information about the P3024 code?

Need more information on how to fix the P3024 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P3024 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P3024 BMW — Upstream Oxygen Sensor Signal Controller Monitoring Initialization Error Bank 1 Sensor 1
P3024 Lexus — Battery Block 14 Becomes Weak
P3024 MINI — Upstream Oxygen Sensor Signal Controller Monitoring Initialization Error Bank 1 Sensor 1
P3024 Toyota — Battery Block 14 Becomes Weak

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 P3024 Code

1. What are the common symptoms of OBDII code P3024 (Battery Block 14 Becomes Weak)?

- Common symptoms include poor engine performance, reduced fuel efficiency, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code P3024?

- The code P3024 can be triggered by a weak or failing battery in block 14 of the vehicle's battery pack.

3. How can I diagnose the issue related to Battery Block 14 Becomes Weak (P3024)?

- Use a diagnostic scanner to read the OBDII code P3024 and perform a battery load test to check the health of block 14.

4. What should I do if I encounter OBDII code P3024?

- If you encounter code P3024, it is recommended to inspect and possibly replace the battery in block 14 to resolve the issue.

5. Can a weak battery in block 14 cause other problems in the vehicle?

- Yes, a weak battery in block 14 can lead to other electrical issues, such as malfunctions in the vehicle's charging system and accessories.

6. Are there any temporary fixes for OBDII code P3024?

- While temporary fixes may include recharging the battery, it is advisable to address the root cause by replacing the weak battery in block 14.

7. How important is it to address OBDII code P3024 promptly?

- It is crucial to address code P3024 promptly to prevent further damage to the vehicle's electrical system and ensure reliable performance.

8. Can I drive my vehicle with OBDII code P3024?

- It is not recommended to drive the vehicle with code P3024, as a weak battery in block 14 can lead to unexpected breakdowns and safety hazards.

9. How much does it cost to repair OBDII code P3024?

- The cost of repairing code P3024 can vary depending on the make and model of the vehicle, but it typically involves replacing the battery in block 14.

10. Is it possible to prevent OBDII code P3024 from occurring?

- Regular maintenance of the vehicle's battery pack, including monitoring the health of block 14, can help prevent the occurrence of code P3024.