AutoCodes – RAM – U147B RAM

U147B RAM Code - Implausible Data Received From Battery Monitor Module

Quick Answer

If the installed battery is different than the Body Control Module (BCM) supplied configuration data, the Intelligent Battery Sensor (IBS) will ignore the configuration data and report data based on the installed battery. Common causes include Faulty Battery, Faulty Intelligent Battery Sensor (IBS), Intelligent Battery Sensor 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: U147B RAM indicates Implausible Data Received From Battery Monitor Module.
Common causes: Common causes include Faulty Battery, Faulty Intelligent Battery Sensor (IBS), Intelligent Battery Sensor 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.

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Code Popularity 507

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 May 28, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U147B RAM Description

OBDII Code U147B RAM - Implausible Data Received From Battery Monitor Module - AutoCodes.com — U147B RAM Code - Implausible Data Received From Battery Monitor Module

What does this mean?

What are the Possible Causes of the DTC U147B RAM?

Faulty Battery
Faulty Intelligent Battery Sensor (IBS)
Intelligent Battery Sensor harness is open or shorted
Intelligent Battery Sensor circuit poor electrical connection

How to Fix the DTC U147B RAM?

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 U147B RAM 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.

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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 U147B RAM Code

1. What are common symptoms of the OBDII code U147B RAM?

- Common symptoms of this code include issues with the vehicle's electrical system, such as erratic battery voltage readings or warning lights related to the battery.

2. What does the OBDII code U147B RAM mean?

- The code U147B RAM indicates that the vehicle's onboard diagnostic system has detected implausible data received from the Battery Monitor Module.

3. What are the possible causes of the U147B RAM code?

- Possible causes of this code include a faulty Battery Monitor Module, wiring or connection issues, software glitches, or a malfunction in the vehicle's electrical system.

4. How can I diagnose the U147B RAM code?

- Diagnosing this code typically involves using a diagnostic scanner to read the code, checking the battery monitor module and related connections for any issues, and performing a voltage test on the battery.

5. Is it safe to continue driving with the U147B RAM code?

- It is not recommended to continue driving with this code present, as it could indicate underlying issues with the vehicle's electrical system that may lead to more serious problems if left unattended.

6. How can I repair the U147B RAM code?

- Repairing this code may involve replacing the Battery Monitor Module if it is found to be faulty, checking and repairing any wiring or connection issues, and clearing the code with a diagnostic scanner.

7. Can a DIY enthusiast fix the U147B RAM code?

- While some simple checks like inspecting connections can be done by a DIY enthusiast, diagnosing and repairing underlying issues related to this code may require professional help due to the complexity of the vehicle's electrical system.

8. Are there any common related codes to the U147B RAM code?

- Common related codes to the U147B RAM code may include other battery or electrical system-related codes, such as codes indicating low battery voltage or charging system issues.

9. How can I prevent the U147B RAM code from recurring?

- To prevent the U147B RAM code from recurring, it is essential to regularly maintain the vehicle's battery and electrical system, address any warning signs promptly, and follow the manufacturer's recommended maintenance schedule.

10. Will resetting the code make it go away permanently?

- Simply resetting the code may make the warning light disappear temporarily, but if the underlying issue causing the U147B RAM code is not addressed and repaired, the code is likely to reappear.