Engine-CodesChrysler – B1E72 Chrysler

B1E72 Chrysler Code - Power Inverter Enable Control Circuit Short To Ground

Quick Answer

The B1E72 Chrysler code indicates a power inverter enable control circuit short to ground. Common causes include Wiring issues such as a short circuit or damaged wires, Faulty power inverter enable control module, Corrosion or loose connections in the circuit. 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
B1E72 Chrysler indicates Power Inverter Enable Control Circuit Short To Ground.
Common causes
Common causes include Wiring issues such as a short circuit or damaged wires, Faulty power inverter enable control module, Corrosion or loose connections in the circuit.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B1E72 Chrysler Description

The B1E72 Chrysler code indicates a power inverter enable control circuit short to ground. This means that there is an issue with the circuit that controls the power inverter, which is responsible for converting direct current (DC) to alternating current (AC) in hybrid or electric vehicles. The power inverter is a crucial component that allows the vehicle to operate efficiently and power electric motors. When this circuit is shorted to ground, it can disrupt the proper functioning of the power inverter, leading to various performance issues.

OBDII Code B1E72 Chrysler - Power Inverter Enable Control Circuit Short To Ground
B1E72 Chrysler Code - Power Inverter Enable Control Circuit Short To Ground

Common Causes of B1E72 Chrysler

  1. Wiring issues such as a short circuit or damaged wires
  2. Faulty power inverter enable control module
  3. Corrosion or loose connections in the circuit
  4. Electrical system malfunctions
  5. Water damage or exposure to moisture

Symptoms of B1E72 Chrysler

  1. Loss of power or acceleration
  2. Reduced fuel efficiency
  3. Inability to operate on electric power
  4. Illumination of the check engine light
  5. Vehicle going into limp mode

How to Fix B1E72 Chrysler

  1. Diagnose the issue by using a multimeter to test the power inverter enable control circuit for continuity and resistance.
  2. Inspect the wiring harness for any visible damage, corrosion, or loose connections. Repair or replace any damaged wires as needed.
  3. Check the power inverter enable control module for proper functioning. Replace the module if it is faulty.
  4. Clear the diagnostic trouble codes from the vehicle's computer using a scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the power inverter is functioning properly.

Cost to Fix B1E72 Chrysler

The typical repair costs for addressing a power inverter enable control circuit short to ground can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it is essential to note that the actual cost may vary based on the location of the repair shop, the make and model of the vehicle, and the type of engine. It is recommended to get a detailed quote from a trusted auto repair shop to determine the exact cost of addressing this issue.

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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 B1E72 Chrysler Code

1. What are common symptoms of OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

The common symptoms include the power inverter not functioning properly, the vehicle not starting, and the check engine light being illuminated.

2. What are the possible causes of OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

Possible causes include a short to ground in the power inverter enable control circuit, damaged wiring or connectors, a faulty power inverter module, or a malfunctioning control module.

3. How can I diagnose the OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

Diagnosis involves using a scan tool to read the code, inspecting the wiring and connectors for any damage, and testing the power inverter module and control module for proper functionality.

4. Is it safe to continue driving with OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

It is not recommended to continue driving with this code present, as it can lead to further damage to the power inverter system and potentially cause the vehicle to stop running.

5. How can I repair OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

Repair methods may include repairing or replacing damaged wiring and connectors, replacing the power inverter module or control module if faulty, and clearing the code with a scan tool.

6. Can a DIY enthusiast fix OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground?

While some basic troubleshooting steps can be performed by a DIY enthusiast, complex repairs involving the power inverter system may require professional assistance from a certified mechanic.

7. Will resetting the OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground make it go away permanently?

Simply resetting the code may not permanently resolve the issue if the underlying problem, such as a short to ground, is not addressed and repaired.

8. How do I prevent OBDII code B1E72 Chrysler Power Inverter Enable Control Circuit Short To Ground from occurring again?

Regularly inspecting the power inverter system for any signs of damage, maintaining proper electrical connections, and addressing any issues promptly can help prevent this code from recurring.

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