AutoCodes – Lexus – P3016 Lexus

P3016 Lexus Code - Battery Block 6 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: P3016 Lexus indicates Battery Block 6 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 2,782

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 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P3016 Lexus 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 P3016 Lexus - Battery Block 6 Becomes Weak - AutoCodes.com — P3016 Lexus Code - Battery Block 6 Becomes Weak

What does this mean?

What are the Possible Causes of the DTC P3016 Lexus?

Faulty HV battery assembly
Faulty Battery ECU

How to Fix the DTC P3016 Lexus?

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 P3016 Lexus 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 P3016 Lexus code?

Need more information on how to fix the P3016 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P3016 Lexus code diagnosed by a professional: Find a repair shop in your area

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 P3016 Lexus Code

1. What are the common symptoms of OBDII code P3016 in a Lexus related to Battery Block 6 becoming weak?

- Common symptoms include poor engine performance, reduced fuel efficiency, and potential starting issues.

2. What are some possible causes of the OBDII code P3016 in a Lexus indicating Battery Block 6 weakness?

- Possible causes may include a faulty battery cell in Block 6, wiring issues, or problems with the battery management system.

3. How can I diagnose the source of the weak Battery Block 6 in a Lexus triggering code P3016?

- Diagnosing the issue may involve testing the battery cells individually, checking for corrosion on terminals, and using a diagnostic scanner to monitor battery voltages.

4. Can a weak Battery Block 6 cause other OBDII codes to trigger in a Lexus?

- Yes, a weak Battery Block 6 can lead to other codes related to battery performance, such as P3015 or P3017.

5. Is it safe to continue driving a Lexus with the OBDII code P3016 due to a weak Battery Block 6?

- It is not recommended to continue driving the vehicle as the weak battery block can lead to further electrical problems and potential breakdowns.

6. How can I repair the weak Battery Block 6 issue in a Lexus with OBDII code P3016?

- Repair options may include replacing the entire battery pack, replacing the specific weak cell, or repairing any damaged wiring.

7. Are there any preventive maintenance tips to avoid encountering OBDII code P3016 in a Lexus?

- Regularly inspecting the battery, keeping terminals clean, and following manufacturer's recommendations for battery care can help prevent Battery Block 6 issues.

8. Can a DIY enthusiast address the weak Battery Block 6 problem causing OBDII code P3016 in a Lexus?

- While some basic checks and maintenance tasks can be done by DIYers, diagnosing and repairing a weak battery block may require specialized tools and expertise.

9. How long does it typically take to repair a weak Battery Block 6 issue triggering OBDII code P3016 in a Lexus?

- The repair time can vary depending on the extent of the issue, but it may take a few hours to a day for a professional technician to diagnose and address the problem.

10. Will resetting the OBDII code P3016 in a Lexus temporarily solve the Battery Block 6 weakness issue?

- Resetting the code may temporarily clear the warning, but the underlying issue of the weak Battery Block 6 should still be addressed to prevent further complications.