U147B Jeep 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 Jeep 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.
Code U147B Jeep Description
What are the Possible Causes of the DTC U147B Jeep?
- 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 Jeep?
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 Jeep 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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Frequently Asked Questions about U147B Jeep Code
1. What does OBDII code U147B mean on a Jeep?
Code U147B indicates "Implausible Data Received From Battery Monitor Module," meaning the vehicle's communication system has detected invalid or inconsistent information from the battery monitor module.
2. What are the common symptoms of code U147B in a Jeep?
Symptoms may include a check engine light, issues with charging system performance, battery warning lights, or difficulty starting the vehicle.
3. What causes code U147B on a Jeep?
Common causes include a faulty battery monitor module, corroded or damaged wiring, loose electrical connections, or a problem with the CAN (Controller Area Network) communication system.
4. Can a weak battery trigger code U147B?
Yes, a weak or failing battery can cause communication errors with the battery monitor module, potentially triggering this code.
5. How do I diagnose code U147B on my Jeep?
Start by checking the battery's health and charge level, inspecting the wiring and connections to the battery monitor module, and using a scan tool to check for related communication issues or other stored codes.
6. Can I drive my Jeep with code U147B active?
While the vehicle may still be drivable, it is not recommended, as this code could indicate critical issues with the battery or electrical system that could lead to further problems.
7. How do I fix code U147B on a Jeep?
Repairs may include replacing the battery monitor module, repairing or replacing damaged wiring, cleaning electrical connections, updating the vehicle’s software, or replacing the battery if it is failing.
8. Does clearing the U147B code solve the issue?
Clearing the code might temporarily turn off the check engine light, but if the underlying issue is not resolved, the code will likely return.
9. Is a software update required to fix code U147B on a Jeep?
In some cases, a software update for the vehicle’s engine control module (ECM) or battery monitor module may be required to address communication errors.
10. How much does it cost to repair code U147B on a Jeep?
Costs vary depending on the cause, but typical repairs such as replacing a battery monitor module or repairing wiring can range from $150 to $500, excluding diagnostic fees.
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