AutoCodes – Buick – P1EE9 Buick

P1EE9 Buick Code - Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage

Quick Answer

The battery charger will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger circuit poor electrical connection. 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
P1EE9 Buick indicates Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage .
Common causes
Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 786
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 25, 2020
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Code P1EE9 Buick Description

The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for Diagnostic Trouble Code (DTC) information. This DTC is for the battery charger are internal measurements that verify the charger is performing properly. The battery charger measures internal voltages, currents, and temperatures and verifies they are within the proper range.
OBDII Code P1EE9 Buick - Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage  - AutoCodes.com
P1EE9 Buick Code - Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage

What are the Possible Causes of the DTC P1EE9 Buick?

  • Faulty Battery Charger
  • Battery Charger harness is open or shorted
  • Battery Charger circuit poor electrical connection

How to Fix the DTC P1EE9 Buick?

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 P1EE9 Buick 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 P1EE9 Buick Code

1. What are the common symptoms of OBDII code P1EE9 in a Buick related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Common symptoms include issues with the battery charging system, dimming lights, slow cranking, and possible illumination of the battery warning light on the dashboard.

2. What are the possible causes of OBDII code P1EE9 in a Buick indicating Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Possible causes may include a faulty battery charger control module, damaged wiring or connectors in the circuit, low battery voltage, or a malfunctioning power supply to the control module.

3. How can I diagnose the OBDII code P1EE9 in my Buick related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Diagnosis typically involves using a scan tool to read the code, checking the battery voltage, inspecting the wiring and connectors for damage, and testing the battery charger control module for proper operation.

4. Is it safe to continue driving my Buick with OBDII code P1EE9 indicating Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential issues with the battery charging system and affect the overall performance of the vehicle.

5. What are some repair tips for resolving OBDII code P1EE9 in a Buick due to Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the battery charger control module if necessary, ensuring proper battery voltage, and clearing the code after repairs are made.

6. Can a DIY enthusiast fix OBDII code P1EE9 related to Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage in a Buick?

- While some basic diagnosis and repairs can be done by a DIY enthusiast, resolving complex issues with the battery charging system may require professional assistance to ensure proper repair and functionality.

7. Is it important to address OBDII code P1EE9 promptly in a Buick indicating Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Yes, it is important to address this code promptly to prevent potential damage to the battery charging system and ensure the proper operation of the vehicle's electrical components.

8. How much does it typically cost to repair OBDII code P1EE9 related to Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage in a Buick?

- The cost of repairs can vary depending on the extent of the issue, the need for parts replacement, and whether professional labor is required. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

9. Can weather conditions or driving habits contribute to the occurrence of OBDII code P1EE9 in a Buick due to Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Extreme weather conditions or poor driving habits that result in frequent battery drain can potentially contribute to issues leading to this OBDII code. It is important to maintain good driving practices and monitor the vehicle's electrical system regularly.

10. Are there any recalls or technical service bulletins related to OBDII code P1EE9 and the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage in Buick vehicles?

- It is advisable to check with Buick dealerships or online resources for any recalls or technical service bulletins specific to this OBDII code and related issues with the battery charger control module in Buick vehicles.

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