AutoCodes – Generic – B1A3C

B1A3C Code - Internal Siren Battery

Quick Answer

When the internal battery within the siren does not charge as expected, the Intrusion Transceiver Module (ITM) sets this code. Common causes include Vehicled stored with no battery voltage for an extended period of time, Faulty Siren, Siren harness is open or shorted. 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: B1A3C indicates Internal Siren Battery.
Common causes: Common causes include Vehicled stored with no battery voltage for an extended period of time, Faulty Siren, Siren harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 6,172

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 Aug 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1A3C Description

When the internal battery within the siren does not charge as expected, the Intrusion Transceiver Module (ITM) sets this code.

OBDII Code B1A3C - Internal Siren Battery - AutoCodes.com — B1A3C Code - Internal Siren Battery

What does this mean?

What are the Possible Causes of the DTC B1A3C?

Vehicled stored with no battery voltage for an extended period of time
Faulty Siren
Siren harness is open or shorted
Siren circuit poor electrical connection

How to Fix the DTC B1A3C?

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 B1A3C 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 B1A3C code?

Need more information on how to fix the B1A3C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1A3C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1A3C Chrysler — Internal Siren Battery
B1A3C Dodge — Internal Siren Battery
B1A3C Jeep — Internal Siren Battery
B1A3C RAM — Internal Siren Battery

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 B1A3C Code

1. What are common symptoms of OBDII code B1A3C (Internal Siren Battery)?

Common symptoms include the internal siren not functioning properly or emitting weak sounds, abnormal alarm behavior, and potential warning messages on the vehicle's display.

2. What causes the OBDII code B1A3C (Internal Siren Battery) to trigger?

This code is typically triggered when the internal battery powering the siren within the vehicle's alarm system becomes weak or fails.

3. How can I diagnose OBDII code B1A3C (Internal Siren Battery)?

Diagnosis involves using a diagnostic scanner to read the code, checking the alarm system's battery voltage, inspecting the siren connections, and testing the siren functionality.

4. Is it safe to continue driving with OBDII code B1A3C (Internal Siren Battery) present?

While the code itself does not affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure the alarm system functions correctly in case of emergencies.

5. What are the repair options for OBDII code B1A3C (Internal Siren Battery)?

Repair options include replacing the internal siren battery, resetting the alarm system, checking for any wiring issues, and reprogramming the alarm system if necessary.

6. Can I fix OBDII code B1A3C (Internal Siren Battery) on my own?

If you have experience with automotive electrical systems and access to the necessary tools, you may be able to replace the internal siren battery yourself. However, consulting a professional is recommended for accurate diagnosis and repair.

7. How much does it cost to repair OBDII code B1A3C (Internal Siren Battery)?

The cost of repair can vary depending on the specific issue, the vehicle make and model, and labor rates. Replacing the internal siren battery may cost anywhere from $50 to $200, including parts and labor.

8. Will OBDII code B1A3C (Internal Siren Battery) cause my vehicle to fail an emissions test?

This code is not related to emissions, so it should not cause your vehicle to fail an emissions test. However, it is still important to address the issue to ensure the proper functioning of the alarm system.

9. How long does it take to repair OBDII code B1A3C (Internal Siren Battery)?

The repair time can vary depending on the complexity of the issue and the technician's experience. Replacing the internal siren battery typically takes around 1-2 hours.

10. Can OBDII code B1A3C (Internal Siren Battery) be a recurring issue?

If the root cause of the problem, such as a faulty internal siren battery or wiring issue, is not properly addressed during the repair, the code may reoccur. Regular maintenance and proper repair can help prevent recurrence.