AutoCodes – Chevrolet – B151A Chevrolet

B151A Chevrolet Code - Low Battery Capacity Detected

Quick Answer

The Body Control Module (BCM) monitors the battery voltage level during an engine crank event to detect a low battery voltage condition. Common causes include Low Vehicle Battery, Charging System, Faulty Body Control Module (BCM). 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: B151A Chevrolet indicates Low Battery Capacity Detected.
Common causes: Common causes include Low Vehicle Battery, Charging System, Faulty Body Control Module (BCM).
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 1,768

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 21, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B151A Chevrolet Description

The Body Control Module (BCM) monitors the battery voltage level during an engine crank event to detect a low battery voltage condition. The Diagnostic Trouble Code (DTC) sets when a minimum crank battery voltage is less than the minimum crank battery voltage threshold for 16 consecutive crank events.

OBDII Code B151A Chevrolet - Low Battery Capacity Detected - AutoCodes.com — B151A Chevrolet Code - Low Battery Capacity Detected

What does this mean?

What are the Possible Causes of the DTC B151A Chevrolet?

Low Vehicle Battery
Charging System
Faulty Body Control Module (BCM)

How to Fix the DTC B151A Chevrolet?

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 B151A Chevrolet 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 B151A Chevrolet code?

Need more information on how to fix the B151A Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B151A Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B151A 2014 Chevrolet Silverado — Low Battery Capacity Detected
B151A 2015 Chevrolet Silverado — Low Battery Capacity Detected
B151A 2016 Chevrolet Silverado — Low Battery Capacity Detected
B151A 2017 Chevrolet Silverado — Low Battery Capacity Detected
B151A 2018 Chevrolet Silverado — Low Battery Capacity Detected

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 B151A Chevrolet Code

1. What are the common symptoms of OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- Common symptoms include difficulty starting the vehicle, dimming headlights, and issues with electrical components.

2. What can cause the OBDII code B151A (Chevrolet) to trigger a Low Battery Capacity Detected fault?

- The code can be triggered by a weak or failing battery, alternator issues, or electrical system malfunctions.

3. How can I diagnose the root cause of the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- Use a multimeter to test the battery voltage, check the alternator output, and inspect the battery terminals for corrosion.

4. What are the repair options for fixing the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- Repair options include replacing the battery, repairing the alternator, fixing any electrical wiring issues, or resetting the code after addressing the root cause.

5. Can I continue driving my vehicle with the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- It is not recommended to continue driving with this code active as it can lead to further electrical system problems and potential stalling of the vehicle.

6. How much does it typically cost to repair the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- The cost of repair can vary depending on the root cause, but it may range from around $100 for a battery replacement to several hundred dollars for alternator repairs.

7. Are there any preventive maintenance tips to avoid triggering the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- Regularly inspecting and maintaining your vehicle's battery, alternator, and electrical system can help prevent this code from triggering.

8. Can extreme weather conditions impact the likelihood of triggering the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- Yes, extreme heat or cold can affect battery performance, potentially leading to a low battery capacity fault.

9. How long does it typically take to repair the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected?

- The repair time can vary depending on the specific issue, but it may take anywhere from 30 minutes for a simple fix to a few hours for more complex repairs.

10. Will resetting the OBDII code B151A (Chevrolet) - Low Battery Capacity Detected make the problem go away permanently?

- Resetting the code without addressing the underlying issue will not fix the problem permanently; it is crucial to diagnose and repair the root cause to prevent the code from reoccurring.